Added ending tags
Debug level logging as default makes sense
Cosmetic: EMPTY is actually a "color"
Calibration more adapted to faster computers
Renamed TestTimer into TimeKeeper (test word misleading)
Used renamed TimeKeeper class + increased tolerance and some GC counts
Small refact + no move if game ended already
No more "around" array in stones
No more "around" array in stones; new tests for bug fixes; much better way to check stones and groups in test
Big refactor and handle keep-alive connections for IE.

Added error handling for invalid move (game displayed not in sync).
Cosmetic - color of visited links stays same + hover color on links
Refactor + Fix 2 bad raise exc.
New method color. No more Stone.around dump
Removed Stone.around (simpler & more efficient)
renamed Stone.resuscitate_in