Refactor setup.py to avoid loading package to find version
added TimeInTransitRequest support
Flake8ify and travisify #3903
Merge pull request #8 from param107/feature/task-3903

Flake8ify and travisify #3903
Added coveralls #4507
Dimension field is not required on shipment #5256
Merge pull request #10 from tarunbhardwaj/develop

Dimension field is not required on shipment #5256
Merge pull request #9 from aroraumang/feature/task-4507

Added coveralls #4507
Release version 0.4.5
Merge branch 'release/0.4.5'