Added schema qualified tables 

Cleaned up warnings and ambiguities detected by gcc-5.0 

Fixed tvin issues 

Fixed return types for custom queries 

Misc: - Massive reduction of template error code	- Increased warning level Functionality - Added custom query - Added preprocessor generator for columns/tables (niXman) - Added UNION - Added WITH Compatibility: - clang-3.1 crashes	- clang-3.3+ is fine

Bug fix release Thanks to Thomas Marsh for finding the extra braces when serializing in()

CppCon-Release: - fixed bugs found during preparation for the talk - added examples for the talk - aggregator functions cannot be used in where() anymore (thanks to Arthur O'Dwyer for finding that in the open content session) - fixed serialization of dynamic query elements (the separator was missing, thanks to Paul Körbitz for finding that) - several minor cleanups

Integrated with Travis CI 

Maintenance release Several small fixes.

Fixes for gcc-4.8 under cygwin 64bit eval commodity function for sending commands to the database and getting the return value back Added alias method to wrapped values so that you can select constant values