r\systemInfo() now includes the current version of PHP-RQL.
Closes #53.
Support Query objects in datums. Closes #50.
Simplified native to datum conversion. Made more functions accept dynamic values (especially table and db operations)
Simplified r\Desc and r\Asc
Support for function argument to merge() (and a fix in the lambda function conversion)
Updated protobuf files for RethinkDB 1.12
Added r\rObject term.
Added upcase(), downcase(), split() terms.
Removed base argument to reduce.
New group.map.reduce interface
Removed cache_size parameter from tests.
Added an optional $timeout parameter to r\connect().