Flow:startRelease
add StartReleaseCommand
fix autocompletion in Command
initialize Commands with Input+Output
refactor InitCommand
ask release prefix in InitCommand
allow autocomplete in Init:ask
Git:getBranches
add DevelBranch
ask for DevelBranch in Init
fix Git:getConfig
add MasterBranch setup step
removes hardcoded devel branch
flow:stash:modified