add support for a generic query
add --check-leaks to mocha test runs
add istanbul for code coverage reporting
fixed existing tests to expand test coverage
added new test classes to improve test coverage
Merge pull request #9 from mbroadst/generic-query-support

add support for a generic query
Merge branch 'improve-testing' of https://github.com/mbroadst/epilogue into mbroadst-improve-testing

Conflicts:
	package.json
pass sequelize into constructors
Update README.md