From e6d0cdaa1cbc8c5559d3a9851d354e26e02cc41a Mon Sep 17 00:00:00 2001
From: Nikolai Mushegian <nikolai@bitshares.org>
Date: Mon, 7 Mar 2016 22:12:41 +0000
Subject: [PATCH 1/2] safeToAdd fix

---
 contracts/util/safety.sol      |  2 +-
 contracts/util/safety_test.sol | 10 ++++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)
 create mode 100644 contracts/util/safety_test.sol

diff --git a/contracts/util/safety.sol b/contracts/util/safety.sol
index 93d447c..5f4a2a0 100644
--- a/contracts/util/safety.sol
+++ b/contracts/util/safety.sol
@@ -1,6 +1,6 @@
 contract DSSafeAddSub {
     function safeToAdd(uint a, uint b) internal returns (bool) {
-        return (a + b > a);
+        return (a + b >= a);
     }
     function safeAdd(uint a, uint b) internal returns (uint) {
         if (!safeToAdd(a, b)) throw;
diff --git a/contracts/util/safety_test.sol b/contracts/util/safety_test.sol
new file mode 100644
index 0000000..24e2c8e
--- /dev/null
+++ b/contracts/util/safety_test.sol
@@ -0,0 +1,10 @@
+import 'dapple/test.sol';
+import 'util/safety.sol';
+
+contract SafeAddSubTest is Test, DSSafeAddSub {
+    function setUp() {
+    }
+    function testSafeToAddFix() {
+        assertTrue(safeToAdd(1, 0));
+    }
+}

From b4549a334925d0a5d9d1f7ddbc8001b78960327c Mon Sep 17 00:00:00 2001
From: Nikolai Mushegian <nikolai@bitshares.org>
Date: Mon, 7 Mar 2016 22:13:48 +0000
Subject: [PATCH 2/2] bump dappfile version

---
 dappfile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dappfile b/dappfile
index 815ac97..d405442 100644
--- a/dappfile
+++ b/dappfile
@@ -1,5 +1,5 @@
 name: dappsys
-version: 0.1.0
+version: 0.1.1
 layout:
   sol_sources: contracts
   build_dir: build