Pickit v0.0.4

• cleanups
• update readme

Pickit v0.0.3

• fix: resolve github version

Pickit v0.0.2

• fix: download for github tags including @ sign
• chore: add license

Pickit v0.0.1

• pick files from tar
• pick files from tar.gz
• pick files from github repo <user>/<repo>@version
• command line util
• read options from configuration file