0.4.2 bug fixing release

This bug fixing release contains patch for serious planner bug described on issue #41.

Changelog

09f9a7a Promote to 4.2 stable
a985555 Promote to 4.3 stable
039c42c addSpecifiedData method did not rebind objects correctly. This change closes #41 by fixing the bug introduced by a typo on the object checking.
276e980 Clean up multiline composite sentence end
aaf9508 Fix the semicolon usage in multilines
43666d4 Merge branch 'master' of github.com:google/badwolf
9ae7c76 Update help on the REPL and allow rudimentary multiline statements.
8eec6b7 Fix reification predicate names for temporal triples
7938d3f Add test for reification predicate check
2cd39af Bumping dev release.