how did I miss self in gitcord

Signed-off-by: Mattias Andrée <maandree@operamail.com>
m + get current commit

Signed-off-by: Mattias Andrée <maandree@operamail.com>
add method for getting changes in git repo

Signed-off-by: Mattias Andrée <maandree@operamail.com>