Improved query validation.
Initial implementation of r.args.
Fixed compilation error.
Style fixes.
Fixed ruby driver pretty printer.
Added support for r.literal in r.args.
Fixed support for r.literal in r.args.
Merged from next.
Removed outdated RSI.
Changed protobuf constant ARGS.
Added comments.
Removed debugf.
Added comments.
Changed protobuf constant ARGS.
Made r.args take only one argument.
Merged from next
Fix for #2409
Add unsigned long annotation on large constant

Review 1533 by @Tryneus
Closes #2442
Merge pull request #2452 from eliangidoni/fix-2409

Fix for #2409
Fixed unit test crash.