v0.2.0

ReinforcementLearningTrajectories v0.2.0

Diff since v0.1.10

Closed issues:

• Agent cache broke normalization (#39)
• MultiplexTrace is critically broken (#42)

Merged pull requests:

• add Episode Controller (#40) (@HenriDeh)
• Add append for RelativeTrace to MultiplexArrays (#41) (@HenriDeh)
• adding an EpisodesBuffer (#43) (@HenriDeh)