Fixes #61: Corrects incorrectly written test
Fixes #60: Corrects regression in identical() affecting NA_character_

Also disables VectorizeTest, which is not yet passing.
Merge branch 'master' into binom-additions

Conflicts:
	tests/src/test/R/ComplexTest.R
	tests/src/test/R/VectorizeTest.R
  packageClass now determinatef drom namespace-loaded name