Some readability improvements. Pass parents' and pipe_parents' ids
through API.
Added method for listing dependent packets for tag.
Fix misprints.
Merge pull request #14 from yasek/master

API improvements.
reverts stylistic changes; fixes from modname import * to more
appropriate style
reverts stylistic edits
Merge pull request #12 from lexplua-y/name_collision_resolver_feature

Name collision resolver feature