Type Code : Static variables and virtual methods
Type Code : Change is_a<> to use type_code
Type Code : Hash change
Hash only the name_ in Symbol
Merge pull request #342 from isuruf/typecode

Implement type code
Updated CMAKE_CXX_COMPILER_ID for clang. Fixes #345

CMAKE_CXX_COMPILER_ID now checks for both Clang and AppleClang
in accordance with cmake version >=3.0
http://www.cmake.org/cmake/help/v3.0/policy/CMP0025.html
Shifted to c++11 version for clang. #344

A lot of warnings and errors were being thrown due to usage c++11
standards. Updating the flag, removes the warnings
Merge pull request #346 from sushant-hiray/build_osx

Fixes clang build routine for OS X. Merge #346
Added gitter join-chat badge
Merge pull request #348 from sushant-hiray/gitter_badge

Added gitter join chat badge. Merge #348
Fixed typos in documentation
Merge pull request #349 from shivamvats/shivam/doc_edit

Fixed typos in documentation
Merge branch 'master' of github.com:sympy/csympy into pyobject
Remove ifdefs in FunctionWrapper and fix test in python
C++ tests for FunctionWrapper