Updated the Logtalk runtime in order to not require support for the 0'Char notation, which is not available in LeanProlog.
Updated the Logtalk runtime in order to not require support for the 0'Char notation, which is not available in LeanProlog.

git-svn-id: 4c7b768bc2e2a56aa1c56b1b5a9454ba68342430@6339 ac9c905b-388a-4ddf-9b6a-4063a022bc57

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