#5: ChangedFile class covered by tests
Merge remote-tracking branch 'origin/master' into issue_5
#5: ChangedFile extended (to support "COPIED" and "MOVED" as git does).
#5: ChangedFile: new change type == "unknown" added.
#5: docblock updated in CodeRepository interface
#5: CodeRepository getChangedFiles() method rewritten to return ChangedFile[] instead of string[]
#5: GetDiffCommand - docblock changed for showChangedFiles()
#5: ChangedFile: __toString() should return type of change before filename.
#5: ChangedFile: getFilename() and getChangeType() implemented.
#5: GitWorkingCopy static mock class moved to tests/ folder.
Merge pull request #35 from panza-official/issue_5

Issue 5