Auto merge of #21 - kbknapp:v0.2.0, r=kbknapp

v0.2.0 (2015-12-11)

New Features

• Can now include dependency versions in the nodes by using the -I command line flag (77a3055, closes #13)

Bug Fixes

• fixes panic when dev deps are also optional build deps (86792f92, closes #18)
• fixes dep and edge propagation (ba498ffa, closes #15)
• removes duplicate edges (68fe19cd)

v0.1.3: Auto merge of #14 - mcarton:fix-spell, r=kbknapp

v0.1.3 (2015-11-14)

Improvements

• Errors: improves error handling ergonomics (da0dde32)

Bug Fixes

• fixes building on windows due to upstream dep (99eb7f9e)
• Dev Deps: fixes a bug where dev deps are not properly filtered (8661c2fc, closes #4)

v0.1.1: Auto merge of #3 - kbknapp:contrib_guidelines, r=kbknapp

v0.1.1 (2015-11-04)

Documentation

• adds png examples (c00eb4aa)
• updates usage in the docs (f1713761)
• adds crate docs (d94bdca6)
• updates readme (16e3bca4)

Bug Fixes

• fixes clippy finds (5d8f7920)