tests for put request
post request test and better error propagation
channel get request through the private _request method similar to other request types; perform all requests once; ensure first live request sets base_url attribute
remove commented out lines
Merge remote-tracking branch 'wtsi/devel' into devel
pulled changes from wtsi-devel;commented out two tests that need live credentials and data
Merge pull request #6 from mgcam/devel

class wrapping http requests