fix field spec format for canonical_test_matching
Merge pull request #296 from jgoleary/master

fix field spec format for canonical_test_matching
document randomPairs, randomPairsMatch, and frozendict close #298
simplify frozendict hash
2.6 compatibility
Removed AsciiDammit
escape zope.index operators, closes #299
remove print statement
Merge branch 'master' into search