Prepare v1.2.225.dev
Fix non-built-in commands
Make remote streamer for ipc allow both str and unicode
Fix an error with last commit
Properly report config errors on manager startup
Fix 'check' command for running daemon
Allow events to modify argument before passing it to next handler
Change before_config_validate event so that it can run on not currently active configs
Fix 'flexget check' on running daemon with secrets plugin
Fix unit tests for config validation change
v1.2.225