Initial commit
Add new gitignore
Add -U support to userspace, now need to do something with 'x' ' ' 'x'
and dont broke -n key
Oh god, I start to admit all badwords in comments

Also now I don't broke any existing keys
Indented
+ debug
Add -U parse case to do_command

it's now write all is fine, but doing nothing.
Continue get difference between insert and update params
Fix debug message, now try to research nils in params of update..
Add more debug, and mark it
Add update cmd to if-state with insert / append and simmilar
Add update to if-state of initial source / dest

Hooray, -U works like -I!!!
Remove all my debug
At all: add command -U --update, working 100% simillar to -I --insert

Lol, but better when nothing, someday I finish this..