v0.5.1

MCTS v0.5.1

Diff since v0.5.0

Closed issues:

• Use SimpleGridWorld instead of LegacyGridWorld in tests. (#57)
• Use different rollout depth than the tree construction depth. (#88)

Merged pull requests:

• Remove MCTS from test dependencies (#92) (@BoZenKhaa)
• upgraded to POMDPTools (#93) (@jamgochiana)
• ci workflow update, docs build update, readme update, files cleanup (#94) (@dylan-asmar)
• readme update to include dev docs (#95) (@dylan-asmar)