Add a first draft pod spec to support adding JXLS library to projects using the CocoaPods dependency manager.
Link c++ library for clang compiler.
Fix build error due to missing __IOS_LIBRARY__ #define macro.
Add mac os x support to pod spec.
Fix compile errors for test projects.
Add an umbrella header file. Add missing JXLSRange class to OS X framework.
Update pod spec to reflect original repo and updated version.
Update documentation with new umbrella header import code.
Revert back to previous conditional import scheme. Revert unnecessary update to header search paths in TestJXLS project.
Updating README.