add v8pp::version() function to return the library version string

Updated version to 1.7.0 in `package.json`, glob `*.cpp` files into the NPM package.
Print both V8 and v8pp versions in the test runner if `--version` command-line
option was supplied.

package.json

@@ -1,6 +1,6 @@
 {
   "name": "v8pp",
-  "version": "1.6.0",
+  "version": "1.7.0",
   "description": "C++ bindings for V8",
   "keywords": [ "V8", "native", "addon", "module", "bindings" ],
   "engines": { "node": ">=8.0.0" },
@@ -10,7 +10,7 @@
   "license": "BSL-1.0",
   "bugs": { "url": "https://github.com/pmed/v8pp/issues"  },
   "homepage": "https://github.com/pmed/v8pp#readme",
-  "files": ["docs", "examples", "v8pp/*.hpp", "v8pp/*.ipp", "include_dirs.js",
+  "files": ["docs", "examples", "v8pp/*.hpp", "v8pp/*.ipp", "v8pp/*.cpp", "include_dirs.js",
     "COPYING", "LICENSE_1_0.txt", "README.md"
   ]
 }

test/main.cpp

@@ -17,6 +17,7 @@
 #include <libplatform/libplatform.h>
 
 #include "v8pp/context.hpp"
+#include "v8pp/version.hpp"
 
 void run_tests()
 {
@@ -93,6 +94,7 @@ int main(int argc, char const * argv[])
 		else if (arg == "-v" || arg == "--version")
 		{
 			std::cout << "V8 version " << v8::V8::GetVersion() << std::endl;
+			std::cout << "v8pp version " << v8pp::version() << std::endl;
 		}
 		else if (arg == "--lib-path")
 		{

v8pp/v8pp.vcxproj

@@ -32,6 +32,7 @@
     <ClCompile Include="convert.cpp" />
     <ClCompile Include="json.cpp" />
     <ClCompile Include="throw_ex.cpp" />
+    <ClCompile Include="version.cpp" />
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="call_from_v8.hpp" />
@@ -50,12 +51,14 @@
     <ClInclude Include="ptr_traits.hpp" />
     <ClInclude Include="throw_ex.hpp" />
     <ClInclude Include="utility.hpp" />
+    <ClInclude Include="version.hpp" />
   </ItemGroup>
   <ItemGroup>
     <None Include="class.ipp" />
     <None Include="json.ipp" />
     <None Include="packages.config" />
     <None Include="throw_ex.ipp" />
+    <None Include="version.ipp" />
   </ItemGroup>
   <PropertyGroup Label="Globals">
     <ProjectGuid>{2E6CFC3D-5A08-4909-8D1A-3469063D169B}</ProjectGuid>

v8pp/v8pp.vcxproj.filters

@@ -6,6 +6,7 @@
     <ClCompile Include="class.cpp" />
     <ClCompile Include="throw_ex.cpp" />
     <ClCompile Include="convert.cpp" />
+    <ClCompile Include="version.cpp" />
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="context.hpp" />
@@ -24,9 +25,11 @@
     <ClInclude Include="json.hpp" />
     <ClInclude Include="ptr_traits.hpp" />
     <ClInclude Include="persistent.hpp" />
+    <ClInclude Include="version.hpp" />
     <ClInclude Include="class.ipp" />
     <ClInclude Include="json.ipp" />
     <ClInclude Include="throw_ex.ipp" />
+    <ClInclude Include="version.ipp" />
   </ItemGroup>
   <ItemGroup>
     <None Include="packages.config" />

v8pp/version.cpp

@@ -0,0 +1,5 @@
+#include "v8pp/version.hpp"
+
+#if !V8PP_HEADER_ONLY
+#include "v8pp/version.ipp"
+#endif

v8pp/version.hpp

@@ -0,0 +1,24 @@
+//
+// Copyright (c) 2013-2016 Pavel Medvedev. All rights reserved.
+//
+// This file is part of v8pp (https://github.com/pmed/v8pp) project.
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+#ifndef V8PP_VERSION_HPP_INCLUDED
+#define V8PP_VERSION_HPP_INCLUDED
+
+#include "v8pp/config.hpp"
+
+namespace v8pp {
+
+char const* version();
+
+}
+
+#if V8PP_HEADER_ONLY
+#include "v8pp/version.ipp"
+#endif
+
+#endif // V8PP_VERSION_HPP_INCLUDED

v8pp/version.ipp

@@ -0,0 +1,10 @@
+#include "v8pp/version.hpp"
+
+namespace v8pp {
+
+V8PP_IMPL char const* version()
+{
+	return "1.7.0";
+}
+
+} // namespace v8pp