Everyone should to a bower cache clean.
Fix programmatic usage example.
Add notes for zsh users.
Merge pull request #649 from kud/master

Add notes for zsh users.
Improve can extract function.
Test .tar.gz archives with/without extension and with/witout proper mime-type
Fix list command not processing main with multiple files, closes #660.
Add non bc note for map and sources.
Close GH-664: Fix for some windows users. Fixes #626
Fix bug when trying bower on the root folder.
Use fstream stack for more meaningful stack traces.
Close GH-671: Disable use of sudo. Fixes #498.
Minor tweaks to last PR.
Update reps.
CS.
Oops.
Close GH-659: fix issue#658 list not working with linked packages.
Do not install linked deps, #659.
Appropriate target for linked packages, #659.
Walk tree no longer walks through linked deps, #659.