Added functionality to create tagmanifest file while creating new bags.
add an example to the readme of how to iterate through the data and retrieve checksums
option to specify whether to generate md5 and/or sha1 manifest when creating a bag
usage example for md5/sha1 flags
Ignored existing tagmanifest file while calculating checksums.
Added new test cases and fixed the ones which failed.
Merge branch 'create_tag_manifest_files' of github.com:gwu-libraries/bagit into create-tag-manifest-files
Fixed incorrect checksums for test cases.
Merge branch 'create_tag_manifest_files' of github.com:gwu-libraries/bagit into create-tag-manifest-files
Bagging-Date kept changing which caused the fixity of bag-info.txt to change, and tests to fail. Not it can be overridden. Added a test that it is generated when not supplied. Also updated Bag-Software-Agent to point at LC now
sort filenames and dirnames while walking so order of manifest is deterministic, and can be tested
cleaned up comment a bit
Merge branch 'create-tag-manifest-files'
upped version to v1.3.1
simplified the example a bit to use the entries dictionary
Merge branch 'checksum-example'
Merge branch 'md5-sha1-manifest'
small whitespace change
upped version
Fixed bug with bagging when providing relative bag paths. Fixes LibraryOfCongress/bagit-python#15