Updated Doc Strings
* improved test docstrings
* docstrings now printed if BTRSNAP_TEST_DIR environment variable is not
found
* updated TODO.txt
Improved help text
Doc String Improvements
Removed ReceivePath class
Made SnapDeep and ReceiveDeep classes modules in the Path class
Renamed BtrfsnapError to BtrsnapError
Corrected docstring in Btrfs send/receive
Refactored common code inside of class Path
Removed --delete option from snap subcommand
fixed typo
Version Bump to 2.0.0
Suppressed anoying ouput from BTRFS when deleting
Renamed some functions to make their purpose clearer and to help with
code maintenance
Added --date option to the delete subcommand. You can now delete all snapshots older than a specific date.

Renamed variables for clarity

renamed variables for clarity

rename variables for clarity

fixed unclosed file error in test file

Added function for working with timedeltas from the commandline.

* had to add dateutil dependency
* changed setup.py
* minor changes to sphinx docs

Fixed some install issues

Added --date option to the delete command line subparser

renamed DateParser function

made --keep and --date mutually exclusive and required in the
commandline parser

fixed argparse_types.date_parser

* Now gives correct errors on invalid dates

Added weeks back into the date_parse pattern

Made commandline --date and --keep sepearted into their own option group
to make the requirements more clear in --help

Small changes to get tests to pass with new --date code in un-snap

Updated unsnap function to work with --date and pass tests

Added --date to unsnap_deep
Added tests for above

minor bug fixes

Created an actual launch script for use with distutils.core.setup in
setup.py

Fixed but when btrsnap was called without any options. It now displays
the help file again.

Removed debug print statement

* fixed reporting of the element entered more than once during date
parsing

* fixed delete text snapshot(s) => snapshots
Added the --date option to the snap subcommand. You can now delete snapshots older than a specific date while creating new snapshots

* Correctly displays help message when no arguments are given

Shortened default help text if nothing is entered on the commandline.

* Added --date option to snap subcommand
Improved commandline help documentation and *list* subcommand output

Changlog update

Updated Readme for version 2

Improved formating of help text

Improved output of *list* subcommand
Improved Sphinx Documentation