fix binaryFun

1. Make binaryFun correct for integer comparison.
2. Remove import of half of phobos for 100% cases in phobos.

`sort`, `cmp`, `find`, `startsWith`,  `sum` and other algorithms would
be compiled faster.

fix safeOp

fix safeOPs

Fix new unittest

fix binaryReverseArgs

fix not

fix new code

fix spaces after if

optimization

1. CTFE
2. Runtime (without inlining)

change condition

fix new code

fix safeOp

optimize CTFE