Added code to export to a tab-delimited file. Implemented setting Chapter and Verse numbers for blocks. Added some metadata attributes so we can reparse if needed.
Merge branch 'master' of https://github.com/sillsdev/ProtoscriptGenerator

Conflicts:
	ProtoScript/SandboxForm.Designer.cs
	ProtoScript/SandboxForm.cs
Cleaned up UI and upgraded parser version #