Add preliminary getMonitorRegions and tests
Document getMonitorRegions; add MSDN links; add a TODO
Fix some comments
Rename getMonitorRegions -> getDisplayRects; fix many docstrings; fix bug in _deleteDCAndBitMap; add support for rect= in getDCAndBitMap; add getRectAsImage; add saveRectToBmp
Add per-monitor screenshotting to _demo
Implement getDisplaysAsImages; work on _demo and README
Adjust wording
Work more on README
Adjust wording
Reword docstring
Rearrange some classes; clean up wording
Use a generator expression
Fix wording
No need to import Image here
Fix wording
Take normalizeRects public
Fix tests
Take getDCAndBitMap public
Clarify comment
README adjustments