Update plugin API version

Builds/VisualStudio2013/open-ephys.sln

-Microsoft Visual Studio Solution File, Format Version 11.00
+Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 2013
-Project("{5A05F353-1D63-394C-DFB0-981BB2309002}") = "open-ephys", "open-ephys.vcxproj", "{9C924D66-7DEC-1AEF-B375-DB8666BFB909}"
+VisualStudioVersion = 12.0.40629.0
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "open-ephys", "open-ephys.vcxproj", "{9C924D66-7DEC-1AEF-B375-DB8666BFB909}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Win32 = Debug|Win32
-		Release|Win32 = Release|Win32
+		Debug|x64 = Debug|x64
+		Debug64|Win32 = Debug64|Win32
 		Debug64|x64 = Debug64|x64
+		Release|Win32 = Release|Win32
+		Release|x64 = Release|x64
+		Release64|Win32 = Release64|Win32
 		Release64|x64 = Release64|x64
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
 		{9C924D66-7DEC-1AEF-B375-DB8666BFB909}.Debug|Win32.ActiveCfg = Debug|Win32
 		{9C924D66-7DEC-1AEF-B375-DB8666BFB909}.Debug|Win32.Build.0 = Debug|Win32
-		{9C924D66-7DEC-1AEF-B375-DB8666BFB909}.Release|Win32.ActiveCfg = Release|Win32
-		{9C924D66-7DEC-1AEF-B375-DB8666BFB909}.Release|Win32.Build.0 = Release|Win32
+		{9C924D66-7DEC-1AEF-B375-DB8666BFB909}.Debug|x64.ActiveCfg = Debug|Win32
+		{9C924D66-7DEC-1AEF-B375-DB8666BFB909}.Debug64|Win32.ActiveCfg = Debug64|x64
 		{9C924D66-7DEC-1AEF-B375-DB8666BFB909}.Debug64|x64.ActiveCfg = Debug64|x64
 		{9C924D66-7DEC-1AEF-B375-DB8666BFB909}.Debug64|x64.Build.0 = Debug64|x64
+		{9C924D66-7DEC-1AEF-B375-DB8666BFB909}.Release|Win32.ActiveCfg = Release|Win32
+		{9C924D66-7DEC-1AEF-B375-DB8666BFB909}.Release|Win32.Build.0 = Release|Win32
+		{9C924D66-7DEC-1AEF-B375-DB8666BFB909}.Release|x64.ActiveCfg = Release|Win32
+		{9C924D66-7DEC-1AEF-B375-DB8666BFB909}.Release64|Win32.ActiveCfg = Release64|x64
 		{9C924D66-7DEC-1AEF-B375-DB8666BFB909}.Release64|x64.ActiveCfg = Release64|x64
 		{9C924D66-7DEC-1AEF-B375-DB8666BFB909}.Release64|x64.Build.0 = Release64|x64
 	EndGlobalSection

Source/Processors/PluginManager/OpenEphysPlugin.h

@@ -48,7 +48,7 @@ class SourceNode;
 class RecordEngineManager;
 class FileSource;
 
-#define PLUGIN_API_VER 3
+#define PLUGIN_API_VER 4
 
 typedef GenericProcessor*(*ProcessorCreator)();
 typedef DataThread*(*DataThreadCreator)(SourceNode*);