* Clear up Wshadow warnings from gcc 4.9. Most of these were local variable names with the same name as a member function.
Also a few spelling fixes and adding some std::move around some of the arguments when appropriate.
* Touchup
* add some fields and functions for windows like options
add test cases for windows options and refactor for additional string functions
* try to fix code coverage to 100% again. add some additional documentation and a few additional test cases to verify documentation
* remove some extra brackets
* add Tests and ability to handle program file inclusion in the single string.
add the ability to deal with a single string in the parse command and handle quoted string appropriately
* Add extra test cases for full coverage, clear up escape quote sequencing and handling of extra spaces
* add ignore_underscore test cases and options to app
* add ignore_underscore for add_sets and some more tests for the sets and subcommands
* add some documentation lines and some failing tests
* update readme with ignore_underscore option
* remove failing tests from known issue
* remove empty line for code coverage
in progress: formatters
Getting closer
Working on apps
One test actually runs
All builds, added filter functions
Reverting a few behavours as needed
Repairs
All tests pass
Fixing error with adding help flag
Labels are simpler mappings, normalized setters
Adding help_all
Adding a few more tests
One more line tested
Adding one more check
Adding to readme
Simplify naming
Adding default constructors
Fixing spacing issues with subcommand all printout
Adding a couple of tests
