Make a number of utility functions work with integral_constant arguments
Add currying to utility metafunctions
Make querying the result of parsing work with types that are not template metaprogramming values in some cases
Add accept and reject values to Metaparse
Add missing include
Remove unused include
Make a number of parsers work with integral_constant
Add currying to is_error
Add accept and reject to Metaparse's interface
Add tests
Add better examples and iteration overview to Metaparse documentation
Add accept and reject to all_headers
Adding Metaparse example with unary operators