Rename environment variable COMP_WORDBREAKS to _COMP_WORDBREAKS to avoid breaking script running through a bash wrapper
Renamed _COMP_WORDBREAKS to _ARGCOMPLETE_COMP_WORDBREAKS for consistency
Merge pull request #59 from mnencia/bash_wrapper

Rename environment variable COMP_WORDBREAKS to _COMP_WORDBREAKS
v0.5.9