Fixing class member reference

• fixing bug when accessing class members for operations

2D slicing & object reference

• Fixed bug in 2d array slicing
• Array slicing with negative index
• Fixed name clash bug with object attributes
• Replaced assignment with reference to object attributes

Fixed memory leak

• Fixed memory leak when creating array in jitted fkt
• Fixed incorrect bound handling in numpy.interp

Improved compilation speed, new functions & bugfixes

• Increased compilation speed for large functions
• Support for variable allocation within if-else
• Added support for numpy.sign
• Updated Cython implementation in benchmarks
• Fixed array allocation problem under OSX Yosemite (thx @iankronquist)

Cross-platform and Py3x compatibility

• Better support for Python 3.3 and 3.4, thanks to @xantares , @iankronquist , @Manticore
• Proper integration in Travis CI, thanks to @xantares
• Improved support for Linux systems (accepting x86_64-linux-gnu-gcc)
• Avoiding warning on Linux by removing Wstrict-prototypes arg
• Supporting gcc proxied clang (OS X)
• Added set of examples
• Added missing dependencies, thanks to @iankronquist