1.1.0

What's Changed

• Obj tree by @MarcCote in #14
• Adding two unit test environments: simonsays and peckingorder by @MarcCote in #15
• Add serialization to TextWorldExpressEnv by @MarcCote in #16

Full Changelog: v1.0.4...1.1.0

v1.0.4

Add back lastActionStr in infos dict