Issue #36 fixed broken print functionality
Issue #36 fixed broken print functionality
Issue #36 Removed Serialport timeout
Issue #36 Removed Serialport timeout
fixed divide by zero on print progress percentage calculator.
Commented out debug print statement.  Should replace with some log statement.
debug statements for gcode flow control
Issue #36 added some error handling for bad replies from printer.
Issue #36 various bug fixes to get printing working