Runs migrations in transcations. That means that if a migration failes, it will be safely rolled back.
Tries to return helpful error messages.
Stores migration version details in table schema_migrations. This table will be auto-generated.
Usage
migrate -url sqlite3://database.sqlite -path ./db/migrations create add_field_to_table
migrate -url sqlite3://database.sqlite -path ./db/migrations up
migrate help # for more info
