Added bitwise parser

Signed-off-by: Rack Lin <racklin@gmail.com>
Added bitwise operators to zephir kernel.

Signed-off-by: Rack Lin <racklin@gmail.com>
Added Bitwise Operators

Signed-off-by: Rack Lin <racklin@gmail.com>
Added bitwise operators unit tests

Signed-off-by: Rack Lin <racklin@gmail.com>
Merge pull request #102 from racklin/enhancement/bitwise

Added Bitwise Operators
Pass original expression to CompilerExpression in ClassMethod for return type check failed
Fix critical type in bitwise operators
#33 Issue UnsetStatement fixes

- added support for list

- small fixes

- added tests
Remove not used contants from pregmatch.zep
Merge pull request #103 from zaets28rus/fixes

More fixes
Merge branch 'original/master'