Merge pull request #25 from ivantcholakov/master

Bulgarian language - initial commit.
User Guide - query builder

Integrated API reference with the regular query builder page.
Added square brackets for optional parameters.
Signed-off-by:James L Parry <jim_parry@bcit.ca>
Merge pull request #26 from jim-parry/add-more

Updated readme
Update readme
Signed-off-by:James L Parry <jim_parry@bcit.ca>
Merge pull request #27 from jim-parry/add-more

Update readme