Fix debugger exception due un-representable values
Fix startup position of camera pane
Refactor psp interruption/resume methods
Adjust OpenCV import for windows and minor fixes
Fix OpenCV/wxPython exception "RuntimeError: Failed to gain raw access to bitmap data."
Catch import error if web2py is not available
Fix missing assertion issue in some wx builds
Improve PSP interrupt/resume logic
Emit PSP camera sensor notifications
Use custom PyGauge for PSP times:

 * Two bar colors (interrupt: light red, actual: light green)
 * Show total elapsed percentage (interruptions + actual / plan or elapsed)
 * Fix max range and percentage calculation (elapsed could be greater than planned)
Send unhandled tracebacks to stderr