increment development version
update gitignore
begin doxygen conversion
doxygen it is
update doc command
make doxygen recursive
start documentation. Hurray!
update readme
added more files to distclean rule
start refactor optional tests
refactor more optional tests
continue optional test refactor
more optional test refactor
remove non-modular optional test
add hash test for string ref
added missing ctor tests
rename tests, change optimization flags
add branch spec to travis
remove duplicate files
update boost dependancy