Merge pull request #20 from andyhassall/master

API rate limiter
 missing var + code style fix
scrutinizer fixing soban's phpdoc ;)
typecheck
constructors don't return void ;)
initialize floats with a float number, more doc fixes
more doc fixes
more doc fixes
more doc fixes
lets see if scrutinizer prefers it this way
lets see if scrutinizer prefers it this way
Ignore spurious 221 errors