Merge branch 'master' of github.com:dsabanin/subversion-clj
Refactored copy url function

* Renamed to (copy/copy-url)
* Now accepts SVNClientManager object or can be used with (with-client-manager) dynamic var
* Added better documentation for function
* Removed functions that were no longer needed in namespace
Updated README example
Merge pull request #7 from chrisledet/refactored-copy-functions

Refactored copy functions
Added (delete-url) function
Merge pull request #8 from chrisledet/delete-url-feature

Added delete-url function