* client: Added command history access with up/down and command echo in common client
* client: Changed command echo colour to orange
* client: removed star import from typing
* client: updated code style to match style guideline
* client: adjusted ordering of calling parent constructor in command prompt input constructor
* client: Fixed issues identified by beauxq in PR; fixed some typing issues
* client: PR comments; replaced command history list with deque
2198a70251
