Added functions check/2, parse_and_check/2, and format_error/2
Merge pull request #22 from saleyn/parse_and_check

Added check/2 and parse_and_check/2 functions to verify all required options
Added test cases for new functions
Rearrange the arguments passed to check/2 to match existing conventions
Fix dialyzer warning
Merge pull request #23 from saleyn/parse_and_check

Added test cases for new functions
Rearrange format_error/2 arguments to match existing conventions
Run eunit tests manually to avoid conflicts with rebar's copy of getopt
Modify calls to format_error/2 to use the correct order for arguments
Beautify unit test output
Update version to 0.8.1
Fixed minor inconsistency
Merge pull request #24 from saleyn/master

Fixed minor inconsistency