wrap keys in quotes to handle dotted key names.
Merge pull request #42 from rueckstiess/41-fix-query-dot

wrap keys in quotes to handle dotted key names.
added mongodb-log2ejson for log type parsing

and updated tests (some regex texts no longer valid)
removed some commented out tests.
Merge branch '43-parse-log-types' of github.com:rueckstiess/mongodb-log into 43-parse-log-types

Conflicts:
	index.js
	test/operation.test.js