Merge pull request #131 from cago/master

Rename loop_on_exit by loop_at_exit
Replace deprecated operator 'or' with '||'
Merge pull request #133 from joaosa/master

Replace deprecated operator 'or' with '||'
Make the pattern matching exhaustive
Merge pull request #134 from joaosa/master

Make the pattern matching exhaustive
 ocp-jslib is an external project now
bug fix