NugetCracker 0.3

Committed to Github version 0.3 of NugetCracker now with Help command, and some real parsing of project files:

Sample run:

NugetCracker 0.3
See https://github.com/monoman/NugetCracker

Using C:\Projects\xxx\MetaProject.NugetCracker
Scanning '.' > 'C:\Projects\xxx'
..........................
Scanned 6454 directories
Found 36 components
Sorting...
Ready > help
Available Commands:
    BumpVersion  Bumps up a version for a component
    Help         Show this list of commands or an specific command help
    List         List components, optionally filtered by regular expression
    Quit, Exit   Stops interactive mode
Ready >