0.3.7

1. Merged commit 340410a (see PR) for comment-proof path variables in .env file. Thanks to @cherub-i. Wiki article has been adapted accordingly.

2. If the script is executed manually with ./script.sh, the commit message can optionally be customized. Simply ./script.sh takes the timestamp as before, ./script.sh "helloworld" is using helloworld as commit message. Wiki article has been adapted accordingly.