vle -P XX list no detecting gvle plugins

[eric-casellas]

the vle -P XX list command don't seem to detect gvle plugins.

example missing gvle modeling plugins :

vle -P gvle.decision/ list
Package content from: /home/record/.vle/pkgs-2.0/gvle.decision
-- experiments:
/home/record/.vle/pkgs-2.0/gvle.decision/exp/empty.vpz
-- simulator plugins:
-- output plugins:
-- gvle global plugins:
-- gvle modeling plugins:
-- gvle output plugins:

example missing gvle output plugins :

 vle -P gvle.simulating.plan/ list 
Package content from: /home/record/.vle/pkgs-2.0/gvle.simulating.plan
-- simulator plugins:
-- output plugins:
-- gvle global plugins:
-- gvle modeling plugins:
-- gvle output plugins: