Added special conversions (dates) and extension mechanism
Corrected counter bug for intersection
File/directory filtering mechanism for all commands in Main
Added file properties with the --properties option for the move command.
Added weights for token so that it better takes alphanumeric rather than uppercase.
All benchmarks are working except for one.
- Added extension separately for renaming
- Added separator in ProgramSet.scala
- Added minTwoExamples as a parameter
- Added the powershell script.