Update api.php

Fixes based on suggestions from issue #20
Update api.php

Fixes issue with incorrect number of linkshell members being parsed, discovered in issue #21
Update api.php

Additional fix for issue #21 where free company data overlapped when member was not part of a free company.
Update api.php

Fix for issue #22 where in some use cases the Free Company exact matching would fail due to case sensitive. Fix has been applied to Character and Linkshell search to keep consistency.
Update api.php

Fixed an issue where html entities were included in the Name and Server of Free Company data. Issue #23
Update lodestone_rss.md
Update README.md
Update README.md
Append item id to gear list

This should append item ID to gear list, haven't tested yet. Uses the process found here: https://github.com/viion/XIVDB-Tooltips/blob/master/GeneratingLinksFromLodestone.md
Update api.php
Update api.php

Notices fix
Commit changes