Results 4 issues of xluox

I would like to know how to set the default row height. When estimatedRowHeight is not specified, the rows have a decent row height. However, when estimatedRowHeight is set, It...

- Add a random seed to make sure the same maps are generated every time. - Update PCG to generate multiple maps at a time - Update vec_env to read...

There are several steps for this goal: - [x] #72 - [x] #68 - [x] #75 - [ ] Bridge to connect PCG with training and evaluation

This pr includes changes that support multiple maps in league evaluation and evaluation during training. This change has some code dedicated to partially observable training. Some changes may not fit...