Correct coverity issues

Coverity issues fixed:
 o http://coverity-sft.cern.ch:8080/sourcebrowser.htm?projectId=10001#mergedDefectId=51697
 o http://coverity-sft.cern.ch:8080/sourcebrowser.htm?projectId=10001#mergedDefectId=51700
 o http://coverity-sft.cern.ch:8080/sourcebrowser.htm?projectId=10001#mergedDefectId=51698
 o http://coverity-sft.cern.ch:8080/sourcebrowser.htm?projectId=10001#mergedDefectId=51699
In particular, 51698 was fixed reshuffling the char* in the char** w/o allocating a new
array.

Added history of changes in the Optionparser given it was imported from GitHub