Merge pull request #12 from ysokolovsky/t6_widget

fixed bugs
t9_command: basic test
t9_command: command + fixed test
Merge pull request #13 from ysokolovsky/t9_command

T9 command
t10_signal: added test
t10_signal: signals + tests
fix
Merge pull request #14 from ysokolovsky/t10_signal

T10 signal
bugs