v0.5.2: Merge pull request #1520 from fetchai/develop
- Transitions demos to agent-land test network, P2P and SOEF connections
- Adds full test coverage for helpers modules
- Adds full test coverage for core modules
- Adds CLI functionality to upload README.md files with packages
- Adds full test coverage for registries module
- Multiple docs updates
- Multiple additional tests and test stability fixes