Liotapkg.sh returns package manager not running inspite it is running

[KohliDev]

Inspite of Liotad running, liotapkg.sh throws error:

root@f3b32371332f:/usr/lib/liota/packages# ps -ef | grep liotad
root        167      1  1 12:20 ?        00:00:00 python liotad/liotad.py
root        173      1  0 12:20 ?        00:00:00 grep --color=auto liotad

root@f3b32371332f:/usr/lib/liota/packages# ./liotad/liotapkg.sh list pkg
Liota package manager is not running. Please run it first!
./liotad/liotapkg.sh: 41: exit: Illegal number: -1

Changes merged as part of PR:
473ddac#diff-3bbf0194587f513425a23c1322542b6b