readLine script & loopScreenCmd based on implementation

testReadLine little script to understand function usage
	new file:   bin/loopScreenCmd.sh
	new file:   bin/testReadLine.sh
	new file:   lib/readLine.sh
Merge branch 'master' of github.com:syjust/bashLib
multiple dropboxMgmt return for each action

readline & testReadline STATIC content modifications