Added the new entity properties file/2 and lines/2 to the list of valid entity properties used for error checking. Corrected a bug in the object_property/2, protocol_property/2, and category_property/2 built-in predicates when accessing the new internal entity property table.
Added the new entity properties file/2 and lines/2 to the list of valid entity properties used for error checking. Corrected a bug in the object_property/2, protocol_property/2, and category_property/2 built-in predicates when accessing the new internal entity property table.

git-svn-id: 4c7b768bc2e2a56aa1c56b1b5a9454ba68342430@4518 ac9c905b-388a-4ddf-9b6a-4063a022bc57

LogtalkDotOrg/logtalk2,LogtalkDotOrg/logtalk2,LogtalkDotOrg/logtalk2,LogtalkDotOrg/logtalk2,LogtalkDotOrg/logtalk2