Added options handling:
Updated to argparse implementation
Fixed options passing
Added deduplicator/etc. options
Updated USAGE_TEXT to reflect file OR directory options
Updated to reflect file OR directory options
Fixed typo
Accounted for case where input is a file and output is a directory
Updated usage notes to account for new syntax and special arguments
Removed USAGE_TEXT; it was redundant due to the usage of the argparse module
Bumped up version to 0.24
Merge pull request #4 from MAECProject/options

Added Options Support