Added method to get all entries from a tree
Added method to add a tag to an entry
Modified: Added maximum number of arguments, fixed help string for it
Implemented entry modification algorithm
Tags shouldnt appear more then one time
Added tests for overridden classes
Fixed assertions
Added require calls
Fixed require
Fixed order of arguments
We need to check if metadata is set in here
Expanded the whole algorithm
We must set the runtime configuration in here
Fixed file re-writing
We should simply initialize the tags array in here, if it does not exist
Merge branch 'implement-tag_command'
Added version information to gemspec
Added testfiles to gemspec
Added comment about version names
Added top-level test file which can be run to run the whole bunch of tests