Added retrieving PGP public key.

Signed-off-by: Kouhei Maeda <mkouhei@palmtb.net>
Change var to const service urls.

Signed-off-by: Kouhei Maeda <mkouhei@palmtb.net>
Using struct.

Signed-off-by: Kouhei Maeda <mkouhei@palmtb.net>
Support Bitbucket user events.

Signed-off-by: Kouhei Maeda <mkouhei@palmtb.net>
Merge pull request #2 from mkouhei/devel

release 0.2.0