Switch netrc to flag
netrc-file flag
fake $HOME for tests
Don't ignore test .netrc
600 for .netrc for tests
Tests for plugins, config file init
Update README with config, plugins changes

Fixes #2
Merge branch 'config-file'
Spruce up the README a bit
Merge pull request #11 from craiglittle/master

Spruce up the README a bit
Add markdown command
authorize command

Closes #3
Merge pull request #12 from adamyonk/markdown

Add markdown command
Merge branch 'authorize'