Version bump to 0.6.1
Update All The Things
Fiddle with various thins while getting an installer to work with RxUI 4.5
GetReleaseNotes will throw an exception when blank, empty, or null
Move param parsing to new file and add exceptions if required properties do not exist
Added tests for nuspec exceptions
Merge pull request #42 from cnwilkin/MissingNuSpecEntry

GetReleaseNotes will throw an exception when blank, empty, or null