fix read config twice
check existing via a map instead of a lodash.find
only do map check if theres a single primary key
lets not break tests already
get rid of _.omit
fix test
don't set previous value in loop if raw
upgrade to dottie 0.2.1 which has .transform performance improvements
don't attempt to check for or convert dates if raw, date conversion from the db is currently handled in the drivers
Merge pull request #1555 from sequelize/perf

Performance improvements on includes
add two tests for Sequelize.or and Sequelize.and using object notation
Merge pull request #1578 from mbroadst/object-notation-tests

add two tests for Sequelize.or and Sequelize.and using object notation
fix N:M self associations with foreign keys and through models
Merge branch 'master' of github.com:sequelize/sequelize
if create is passed a field options, it should only build those values
tests for N:M and notIn
fix issue where equality could not be properly checked if not including id in attributes on main table while including
Add multiple row support to hstore parsing

* Improved performance by checking if query contains an hstore field.
Merge pull request #1560 from seegno/add-hstore-querying

Add hstore parsing
Update changelog.md