bigdecimal, optimization, fixed rounding#2

Open

akwiatkowski wants to merge 13 commits intozaiste:masterfrom akwiatkowski:master

+544-33

Commits on Dec 12, 2011

Commits on Feb 10, 2012

tests and bigdecimal compatibility
akwiatkowski
committed

Commits on Feb 16, 2012

fixing and roonding (in progress)
akwiatkowski
committed

Commits on Feb 17, 2012

fixing and rounding (in progress)
akwiatkowski
committed