Adjust sincos approximation to work with MSVC.

Also faster wrap method.
Floatify math for MSVC.
Typo fix.
More typos.
Final cast!
Merge pull request #173 from LoomSDK/BJG-FixiOS6SinCosCrash

Fix iOS6 sincos crash
Undo last change as Ben already did it
Merge commit '988ad13bab11252be85d089f15eba02b2963d0f6' into DD-SDK-Milestone3