Shell. Kirill Fedoseev 296
Corrected exceptions` messages in "mv" a little.
Corrected a little more.
Fixed command parent classes and some bugs in interactive mode.
Fixed command parent classes and some bugs in interactive mode.
Fixed some bugs in batch mode.
Fixed.
A little more.
Fixed all the remarks.
Utils corrected.
cp and mv corrected.
Merge remote-tracking branch 'origin/master'
Merge pull request #87 from kfedoseev/master

Shell (Оболочка), Кирилл Федосеев, 296