Document what Motor, Tornado, Python, and MongoDB versions are compatible.
Motor 0.1.x is incompatible with Tornado >= 4. (motor.Op inherits from gen.Task, but in Tornado 4, Task is not a class, it's a function.)
Document what Motor, Tornado, Python, and MongoDB versions are compatible.
Motor 0.1.x is incompatible with Tornado >= 4. (motor.Op inherits from gen.Task, but in Tornado 4, Task is not a class, it's a function.)