Added support for file deletion in FileRef
Merge pull request #18 from cizra/fileref-deletion

Added support for file deletion in FileRef
Changed FileRef upload to manage error conditions
Merge pull request #17 from cizra/file-upload-errors

Changed fileref server upload to catch any exceptions from requests and ...
Changed fileref.upload and fileref server to accept method for uploading, either POST or PUT
Merge pull request #19 from cizra/fileref-upload-method

Changed fileref.upload and fileref server to accept method for uploading...
Suppress the 'Interrupted system call' ZMQError
Added contrib.http.tests.test_stop (in anticipation of pull request #21)