diff --git a/package-lock.json b/package-lock.json
index b4ae90b..971c9bc 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "flightplan",
-  "version": "0.6.18",
+  "version": "0.6.19",
   "lockfileVersion": 1,
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@@ -14,10 +14,11 @@
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       "integrity": "sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=",
       "dev": true,
+      "optional": true,
       "requires": {
-        "kind-of": "3.2.2",
-        "longest": "1.0.1",
-        "repeat-string": "1.6.1"
+        "kind-of": "^3.0.2",
+        "longest": "^1.0.1",
+        "repeat-string": "^1.5.2"
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@@ -25,8 +26,9 @@
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           "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
           "dev": true,
+          "optional": true,
           "requires": {
-            "is-buffer": "1.1.6"
+            "is-buffer": "^1.1.5"
           }
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@@ -59,28 +61,13 @@
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       "dev": true,
       "requires": {
-        "sprintf-js": "1.0.3"
+        "sprintf-js": "~1.0.2"
       }
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-    "arr-diff": {
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-      "resolved": "https://registry.npmjs.org/arr-diff/-/arr-diff-4.0.0.tgz",
-      "integrity": "sha1-1kYQdP6/7HHn4VI1dhoyml3HxSA="
-    },
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-      "resolved": "https://registry.npmjs.org/arr-flatten/-/arr-flatten-1.1.0.tgz",
-      "integrity": "sha512-L3hKV5R/p5o81R7O02IGnwpDmkp6E982XhtbuwSe3O4qOtMMMtodicASA1Cny2U+aCXcNpml+m4dPsvsJ3jatg=="
-    },
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-      "resolved": "https://registry.npmjs.org/arr-union/-/arr-union-3.1.0.tgz",
-      "integrity": "sha1-45sJrqne+Gao8gbiiK9jkZuuOcQ="
-    },
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       "resolved": "https://registry.npmjs.org/array-each/-/array-each-1.0.1.tgz",
-      "integrity": "sha1-p5SvDAWrF1KEbudTofIRoFugxE8="
+      "integrity": "sha512-zHjL5SZa68hkKHBFBK6DJCTtr9sfTCPCaph/L7tMSLcTFgy+zX7E+6q5UArbtOtMBCtxdICpfTCspRse+ywyXA=="
     },
     "array-slice": {
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@@ -93,7 +80,7 @@
       "integrity": "sha1-mjRBDk9OPaI96jdb5b5w8kd47Dk=",
       "dev": true,
       "requires": {
-        "array-uniq": "1.0.3"
+        "array-uniq": "^1.0.1"
       }
     },
     "array-uniq": {
@@ -102,11 +89,6 @@
       "integrity": "sha1-r2rId6Jcx/dOBYiUdThY39sk/bY=",
       "dev": true
     },
-    "array-unique": {
-      "version": "0.3.2",
-      "resolved": "https://registry.npmjs.org/array-unique/-/array-unique-0.3.2.tgz",
-      "integrity": "sha1-qJS3XUvE9s1nnvMkSp/Y9Gri1Cg="
-    },
     "arrify": {
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       "resolved": "https://registry.npmjs.org/arrify/-/arrify-1.0.1.tgz",
@@ -118,7 +100,7 @@
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       "requires": {
-        "safer-buffer": "2.1.2"
+        "safer-buffer": "~2.1.0"
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@@ -133,11 +115,6 @@
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       "dev": true
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-    "assign-symbols": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/assign-symbols/-/assign-symbols-1.0.0.tgz",
-      "integrity": "sha1-WWZ/QfrdTyDMvCu5a41Pf3jsA2c="
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       "resolved": "https://registry.npmjs.org/async/-/async-0.2.10.tgz",
@@ -149,11 +126,6 @@
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       "dev": true
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-    "atob": {
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-      "resolved": "https://registry.npmjs.org/atob/-/atob-2.1.1.tgz",
-      "integrity": "sha1-ri1acpR38onWDdf5amMUoi3Wwio="
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       "resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.6.0.tgz",
@@ -171,56 +143,6 @@
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       "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c="
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-      "resolved": "https://registry.npmjs.org/base/-/base-0.11.2.tgz",
-      "integrity": "sha512-5T6P4xPgpp0YDFvSWwEZ4NoE3aM4QBQXDzmVbraCkFj8zHM+mba8SyqB5DbZWyR7mYHo6Y7BdQo3MoA4m0TeQg==",
-      "requires": {
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-        "class-utils": "0.3.6",
-        "component-emitter": "1.2.1",
-        "define-property": "1.0.0",
-        "isobject": "3.0.1",
-        "mixin-deep": "1.3.1",
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-          "resolved": "https://registry.npmjs.org/define-property/-/define-property-1.0.0.tgz",
-          "integrity": "sha1-dp66rz9KY6rTr56NMEybvnm/sOY=",
-          "requires": {
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-          }
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-        "is-accessor-descriptor": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-1.0.0.tgz",
-          "integrity": "sha512-m5hnHTkcVsPfqx3AKlyttIPb7J+XykHvJP2B9bZDjlhLIoEq4XoK64Vg7boZlVWYK6LUY94dYPEE7Lh0ZkZKcQ==",
-          "requires": {
-            "kind-of": "6.0.2"
-          }
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-        "is-data-descriptor": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-1.0.0.tgz",
-          "integrity": "sha512-jbRXy1FmtAoCjQkVmIVYwuuqDFUbaOeDjmed1tOGPrsMhtJA4rD9tkgA0F1qJ3gRFRXcHYVkdeaP50Q5rE/jLQ==",
-          "requires": {
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-          }
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-        "is-descriptor": {
-          "version": "1.0.2",
-          "resolved": "https://registry.npmjs.org/is-descriptor/-/is-descriptor-1.0.2.tgz",
-          "integrity": "sha512-2eis5WqQGV7peooDyLmNEPUrps9+SXX5c9pL3xEB+4e9HnGuDa7mB7kHxHw4CbqS9k1T2hOH3miL8n8WtiYVtg==",
-          "requires": {
-            "is-accessor-descriptor": "1.0.0",
-            "is-data-descriptor": "1.0.0",
-            "kind-of": "6.0.2"
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       "resolved": "https://registry.npmjs.org/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz",
@@ -228,7 +150,7 @@
       "dev": true,
       "optional": true,
       "requires": {
-        "tweetnacl": "0.14.5"
+        "tweetnacl": "^0.14.3"
       }
     },
     "boom": {
@@ -237,7 +159,7 @@
       "integrity": "sha1-OciRjO/1eZ+D+UkqhI9iWt0Mdm8=",
       "dev": true,
       "requires": {
-        "hoek": "2.16.3"
+        "hoek": "2.x.x"
       }
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@@ -245,35 +167,16 @@
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       "requires": {
-        "balanced-match": "1.0.0",
+        "balanced-match": "^1.0.0",
         "concat-map": "0.0.1"
       }
     },
     "braces": {
-      "version": "2.3.2",
-      "resolved": "https://registry.npmjs.org/braces/-/braces-2.3.2.tgz",
-      "integrity": "sha512-aNdbnj9P8PjdXU4ybaWLK2IF3jc/EoDYbC7AazW6to3TRsfXxscC9UXOB5iDiEQrkyIbWp2SLQda4+QAa7nc3w==",
-      "requires": {
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-        "array-unique": "0.3.2",
-        "extend-shallow": "2.0.1",
-        "fill-range": "4.0.0",
-        "isobject": "3.0.1",
-        "repeat-element": "1.1.2",
-        "snapdragon": "0.8.2",
-        "snapdragon-node": "2.1.1",
-        "split-string": "3.1.0",
-        "to-regex": "3.0.2"
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-          "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
-          "requires": {
-            "is-extendable": "0.1.1"
-          }
-        }
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/braces/-/braces-3.0.3.tgz",
+      "integrity": "sha512-yQbXgO/OSZVD2IsiLlro+7Hf6Q18EJrKSEsdoMzKePKXct3gvD8oLcOQdIzGupr5Fj+EDe8gO/lxc1BzfMpxvA==",
+      "requires": {
+        "fill-range": "^7.1.1"
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@@ -287,22 +190,6 @@
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       "integrity": "sha1-wgOpilsCkIIqk4anjtosvVvNsy8="
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-      "resolved": "https://registry.npmjs.org/cache-base/-/cache-base-1.0.1.tgz",
-      "integrity": "sha512-AKcdTnFSWATd5/GCPRxr2ChwIJ85CeyrEyjRHlKxQ56d4XJMGym0uAiKn0xbLOGOl3+yRpOTi484dVCEc5AUzQ==",
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-        "component-emitter": "1.2.1",
-        "get-value": "2.0.6",
-        "has-value": "1.0.0",
-        "isobject": "3.0.1",
-        "set-value": "2.0.0",
-        "to-object-path": "0.3.0",
-        "union-value": "1.0.0",
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       "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-1.2.1.tgz",
@@ -323,8 +210,8 @@
       "dev": true,
       "optional": true,
       "requires": {
-        "align-text": "0.1.4",
-        "lazy-cache": "1.0.4"
+        "align-text": "^0.1.3",
+        "lazy-cache": "^1.0.3"
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@@ -333,9 +220,9 @@
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       "dev": true,
       "requires": {
-        "assertion-error": "1.1.0",
-        "deep-eql": "0.1.3",
-        "type-detect": "1.0.0"
+        "assertion-error": "^1.0.1",
+        "deep-eql": "^0.1.3",
+        "type-detect": "^1.0.0"
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-        "has-ansi": "2.0.0",
-        "strip-ansi": "3.0.1",
-        "supports-color": "2.0.0"
+        "ansi-styles": "^2.2.1",
+        "escape-string-regexp": "^1.0.2",
+        "has-ansi": "^2.0.0",
+        "strip-ansi": "^3.0.0",
+        "supports-color": "^2.0.0"
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@@ -356,34 +243,13 @@
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       "integrity": "sha1-ZNo/fValRBLll5S9Ytw1KV6PKYc=",
       "dev": true,
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-        "restore-cursor": "1.0.1"
+        "restore-cursor": "^1.0.1"
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@@ -399,8 +265,8 @@
       "dev": true,
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-        "center-align": "0.1.3",
-        "right-align": "0.1.3",
+        "center-align": "^0.1.1",
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@@ -425,15 +291,6 @@
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-      "integrity": "sha1-S8A3PBZLwykbTTaMgpzxqApZ3KA=",
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@@ -445,7 +302,7 @@
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       "dev": true,
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+        "delayed-stream": "~1.0.0"
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@@ -454,11 +311,6 @@
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-        "readable-stream": "2.3.6",
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+        "buffer-from": "^1.0.0",
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+            "process-nextick-args": "~2.0.0",
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           "dev": true,
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-            "safe-buffer": "5.1.2"
+            "safe-buffer": "~5.1.0"
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-      "resolved": "https://registry.npmjs.org/copy-descriptor/-/copy-descriptor-0.1.1.tgz",
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-        "shebang-command": "1.2.0",
-        "which": "1.3.1"
+        "lru-cache": "^4.0.1",
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+        "which": "^1.2.9"
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@@ -550,8 +397,8 @@
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           "dev": true,
           "requires": {
-            "pseudomap": "1.0.2",
-            "yallist": "2.1.2"
+            "pseudomap": "^1.0.2",
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@@ -562,7 +409,7 @@
       "integrity": "sha1-O9/s3GCBR8HGcgL6KR59ylnqo7g=",
       "dev": true,
       "requires": {
-        "boom": "2.10.1"
+        "boom": "2.x.x"
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@@ -576,7 +423,7 @@
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       "dev": true,
       "requires": {
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+        "es5-ext": "^0.10.9"
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@@ -585,7 +432,7 @@
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@@ -600,6 +447,7 @@
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-      "integrity": "sha1-fIDBe53+vlmeJzZ+DU3VWQFB2zg=",
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       "dev": true,
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@@ -3562,7 +2845,7 @@
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       "dev": true,
       "requires": {
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@@ -3590,9 +2873,9 @@
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-        "uglify-to-browserify": "1.0.2",
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+        "uglify-to-browserify": "~1.0.0",
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@@ -3605,7 +2888,7 @@
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+      "integrity": "sha512-eXL4nmJT7oCpkZsHZUOJo8hcX3GbsiDOa0Qu9F646fi8dT3XuSVopVqAcEiVzSKKH7UoDti23wNX3qGFxcW5Qg=="
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@@ -3721,12 +2926,12 @@
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-        "mkdirp": "0.5.1",
-        "ncp": "0.4.2",
-        "rimraf": "2.6.2"
+        "async": "~0.2.9",
+        "deep-equal": "*",
+        "i": "0.3.x",
+        "mkdirp": "0.x.x",
+        "ncp": "0.4.x",
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@@ -3740,7 +2945,7 @@
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+        "user-home": "^1.1.1"
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@@ -3749,9 +2954,9 @@
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       "dev": true,
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@@ -3767,7 +2972,7 @@
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-        "isexe": "2.0.0"
+        "isexe": "^2.0.0"
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@@ -3782,13 +2987,13 @@
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-        "eyes": "0.1.8",
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-        "pkginfo": "0.3.1",
-        "stack-trace": "0.0.10"
+        "async": "0.2.x",
+        "colors": "0.6.x",
+        "cycle": "1.0.x",
+        "eyes": "0.1.x",
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@@ -3815,7 +3020,7 @@
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       "dev": true,
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+        "mkdirp": "^0.5.1"
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@@ -3843,9 +3048,9 @@
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-        "cliui": "2.1.0",
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+        "camelcase": "^1.0.2",
+        "cliui": "^2.1.0",
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diff --git a/package.json b/package.json
index 1312f13..7dd6281 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
     "chalk": "^1.1.1",
     "fibers": "^3.0.0",
     "interpret": "^1.0.0",
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     "pretty-hrtime": "^1.0.1",
     "prompt": "^0.2.14",