Provide collection.count shortcut.
Add rate limiting for init and verification.
Report method unimplemented when applicable.
Add missing semi-colon.
Support aggregate pipeline shortcut.
Wrap some cases where exceptions can be thrown.
Merge pull request #309 from glowe/collection-count

Provide collection.count shortcut.
Merge pull request #310 from glowe/rate-limit-ivs

Add rate limiting for init and verification.
Merge pull request #311 from glowe/better-method-missing-for-collections

Report method unimplemented when applicable.
Merge pull request #312 from glowe/support-aggregate-shortcut-syntax

Support aggregate pipeline shortcut.
Merge pull request #313 from glowe/wrap-exceptions

Wrap some cases where exceptions can be thrown.