Initial Alpha

Moved to alpha

Improvements to read more versatile formats

Improvements

• Tests include a sample-set of gcode files from varying CAM software and authors.
• lsenv in deployment script.
• added GCodeLineNumber and GCodeProgramName (in response to #5).
• GCodeCancelCannedCycle sets machine mode to None, and is run first in list of motion gcodes.
• Error message for unsupported gcodes is more helpful / relevant.
• Optional whitespace in Word, (eg: X-1.2 and X -1.2 are now both valid)

Bugfixes

• #5 Line number in program