Added function stats and fixed data presentation

Function coverage now displayed, function/line coverage
display updated
Started work on counting functions not executed
Fixed function display, corrected percentage executed.
Changed line coverage display

Program displays aggregate line coverage instead of per-file
coverage.
Default request to report displays all unique builds/git hashes

Unique builds/git hashes are now obtained via GET requests
Merge pull request #13 from mvankeulen94/update

Updated line/function coverage