Made some changes
Reverted some changes
Created classes and tests for Activity
Rewritten
setUri() now only sets tue uri, appendUri() now used for adding new parts to the uri.

Url is now only genereted when execute() is called. When generating the url, the api key is added as first. Adding the api key to the uri is now done automaticly
Test writen for throwing exeption when a api response fails
Added tests for Activity calls
Marked testCreateAccount as skipped
File deleted