Big update for v1.0.7, introducing a standardized map format, speedup…

…s, new features, and more!

Significantly sped up timestep interpolation, some variable/method re…

…factoring, and slight changes to the default cache structure.

Partially fixes #1 and adds scene-centric functionality, fixing #2.

Removing useless lines.

Significantly simplifying requirements.txt and added build to dev setup.