Cleaning up for pypi release

Added --device flag to specify device to be programmed

Updated license text

Added LICENSE

Changed package url for picchick python package

Packaged for distribution- Added pip installable 'picchick' module and associated command

Changed directory naming scheme

Address argument to erase command is now optional, defaults to erasing the entire device

Changed default pin state to floating inputs

Sped up programmer firmware 1000% (literally), added new hexfile decoder for memory blocks.

Working enough to flash a simple blink program to a PIC16LF19196