Add some missing documentation spaces

Reported By: Hendrik Tews <tews@os.inf.tu-dresden.de>
Add an option to strip newlines

Feature Requested By: Hendrik Tews <tews@os.inf.tu-dresden.de>
Update the example to use --strip-newlines
Add a header line to report the compression stats

Feature Requested By: Hendrik Tews <tews@os.inf.tu-dresden.de>
Prevent header from being duplicated
Add a TODO for header info