[TASK] Added missing option to readme.

[skip ci]
Add sessions to @stripped database dump profile
Adjust README to reflect sessions being cleaned from @development
Merge pull request #367 from iwebsolutions/exclude-sessions

Exclude sessions from @stripped (and therefore @development)
[BUGFIX] #315 sys:setup:run on enterprise requires admin session. (by Thorsten Essig and Christian Münch)
[TASK] Updated changes file.

[skip ci]
[TASK] Added exit code.