Commiting the files for types C, D, E, F, and G
Fixing things
Updating the other types
AskPositiveHandler.Pow: x**y is positive for x>0 for real y
AskNegativeHandler.Pow: x**y is not negative for x>0 for real y
AskPositiveHandler.Add now works with nonnegative args (one positive is requered)
Drop duplicated assert in test_bounded_xfail()
AskNegativeHandler.Add now works with nonpositive args (one negative is requered)
Move debug() decorator out of gruntz.py (issue 2163)
Move maketree() and tree() functions out of the module namespace
Rename global variables for debug_decorator()
Adopt docstrings for debug_decorator()
Fix commented out test after pr #2318
Fixing problems to merge with master
Fixing more errors
Merge pull request #2334 from skirpichev/fix-order-handlers

Fix order handlers (positive/negative) for new assumptions
Changing import
Merge pull request #2297 from meclark256/liealgebras_3

Liealgebras 3
Merge pull request #2321 from skirpichev/2163-gruntz-debug

Move debug() decorator out of gruntz.py (issue 2163)
Merge pull request #2340 from mrocklin/transform_set

Transform set