Conformance tests for has() on messages. (google#116)

Update the bazel build rules_cc archive reference (google#86)

Release Notes v0.2.0

* New tests for time-related functions.
* Moved broken test to proper suites based on latest cel-go fixes.

Move fixed tests into their appropriate locations. (google#49)

Merge pull request google#9 from eobrain/master

Enable Travis continuous integration testing of proto files