v0.6.0

v0.6:
Improved error handling.
Ability to change voice input confidence threshold without restarting.
Removed "Thanks/Thank you" from grammar.
New feature: procedures. Procedures are sets of steps which the application will execute in order, like a co-pilot would.
Support for FSUIPC connection to fsx/p3d for procedure execution.
Initial work on a 737NGX checklist and procedure with FSUIPC variables for the PMDG 737.