Develop v0.9

develop_v0.9

updating build script to work on darwin

EXARL v0.1.0

Initial release -
Ability to create and register custom agents, environments, and workflows. This release candidate contains the following:

Agents:

• DQN-v0
• DDPG-v0

Environments:

• ExaCartPole-v1
• ExaCH-v0
• ExaCovid-v0
• ExaWaterClusterDiscrete-v0
• ExaBoosterDiscrete-v0
  In addition to all OpenAI Gym environments

Workflows:

• sync
• async
• rma

Logging, Profiling, and Debugging utilities are included. In addition, unit tests are built-in for the DQN agent. ECP CANDLE is used for HPO.