using process.cwd() to require modules relative to project directory
Changes orm.load() to support absolute paths
Adds possibility to send callback right to .each()

This avoids doing Model.find(...).each().forEach(...) and allows people
to do Model.find(...).each(...)
Adds documentation about hasOne reverse option
Adds documentation about chaining some common Array methods
Adds more documentation about chaining, adds .save()
Adds line separation before adding instance properties
Adds test for Model.find().each(cb)
Adds test for Model.hasOne(..., { reverse: "..." })
Changes associations to just change the first letter of the association name to lowercase, everything else stays as the user defines

Adds a simple test to this name letter case
Adds initial code for hasMany reversed associations (#31)
Adds db.serial() to make several queries (finds) at a time (look at the test in this commit)
2.0.0
Removes version from installation command from Readme
Adds documentation about singleton and cache option
Changes singleton to prepare to support cache timeout, adds test for no cache
Changes singleton to support cache value as a number (timeout in seconds)
Updates documentation about singleton cache timeout
Adds more documentation about associations
Fixes bug when escaping boolean values in postgres