Enumerate child items in projects (Issue #11)
Added missing FileExtension for .luatest (Issue #13)
Make test adapters show in the VS About dialog with version numbers (Issue #14)
Created a script to update the 6 (!) version numbers for vsix projects based on SharedAssemblyInfo
Bump shared version to 1.9
Bump all vsix versions to 1.9 using UpdateVersions.fsx
Added UpdateVersions.vsix to VS solution