Add license header

Properly seed rand before creating token

Remove HTTP and add simple token authentication

Read both stdout and stderr from plugin

Deduplicate error handling

Parse flags only if not parsed already

Add reading of stderr from plugin (for log pkg and other errors)

Fix index error on short output lines

Updated readme for unix vs tcp explanation

Use TMP as default dir for UNIX socket

Correct slice allocation for params

Fix problem when adding unixdir parameter

Merge pull request #1 from tcnksm/fix-offset

Fix offset bug

Initial code commit