Created happy number program in SWI-Prolog
Update prolog_49.prolog

Changed procedure function name from "q" to "p"
Merge pull request #1 from khaeusser/patch-4

Update prolog_49.prolog
Updated Prolog version.
Typo again.
Updated Readme.md with new Prolog version
Merge pull request #11 from BobMcFry/patch-4

isPrime.prolog correction. Add of happy numbers in Prolog