reject promise on missing class, don't use undefined
buffer writes if the server is not connected
reset sessionId on server error
better error handling, library should no longer get stuck
better support for batch operations, make reload optional
add support for infinitely large result sets
easy entry point for debug logging
if the migration class doesn't exist, create it
add migration fixtures
rename `list()` to `listAvailable()`
add `list()` to list the pending migrations
make migrate up work
fix record clean out command