Fix small bugs in POST/PUT handling
Rename query parameters to more general 'parameters'
Append query string to URL only for GET requests
Pass the URL to getResponse instead of modifying object state
Exclude file contents from signatures
Pass request parameters to getRequest
Read file contents for uploading
Fix tests interacting with the filesystem
Install dev dependencies for travis build
Pass POST data as string to reenable @-prefixed file uploads
file upload, @file_path
Remove dirty hacks
Switch from Requests library to Unirest
No longer treat @-prefixed paths specially