Merge branch 'release/0.1.12' into develop
Added readline to composer suggest, refs #87.
Adjusted description per review
Merge remote-tracking branch 'staabm/patch-1' into develop
The ForkingLoop requires both POSIX and PCNTL ext.
stop ever increasing table size when help is used

the helpers are reused between calls, so every invokation of the help
command would add another set of commands to the table