v1.3

• Adding support for -E, -Q (Critical versions of -e, -q)
• Added support for -w, -c (Warning and Critical thresholds for keys using the range format ([@]start:end)
• Added correct return codes for threshold checks on -m using the range format ([@]start:end)
• Added ./check_http_json.py UnitTest task
• Removed -l, -g in favor of -w, -c