Updated to work with any multiple of two as the number of threads to be used in sorting.
Updated to work with any multiple of two as the number of threads to be used in sorting.


git-svn-id: 4c7b768bc2e2a56aa1c56b1b5a9454ba68342430@3498 ac9c905b-388a-4ddf-9b6a-4063a022bc57

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