Merge pull request #25 from lieutdan13/master

Adding a version parameter to php::pear
Fix for 26
Update devel.pp
changed inheritance of param from params_lookup to old style
Merge pull request #27 from hingstarne/master

changed inheritance of param from params_lookup to old style
changed variable definition on suggestion of example42
Merge pull request #28 from hingstarne/master

changed variable definition on suggestion of example42
Fix for #29