Added shebang. Closes #6
Fixed wrong variable reference
Added scaling option. Closes #7
Added description of new option, and runnable

Added a description on how to make the script runnable, as well as a hint on how to exclude certain scales from the processing.
Merge pull request #8 from tskulbru/scaling-and-shebang

Scaling and shebang
Excluding mutliple scales at a time works
New readme for new --exclude-scale option
fixing markdown issue
Version bump. Added -v flag. Fixed issue with --silence flag
Updating changelog
Fixes #9
Version bump. Change log
fixing typo in usage of --exlude-scale in readme