Update codespell ignored words

Author: Joseph-Edwards

.codespellrc

@@ -1,3 +1,3 @@
 [codespell]
 skip = ./.git,./tmp,./data,./extern,./tst,./bin,./libtool,configure,configure~,./gh-pages,./autom4te.cache,./cnf,aclocal.m4,./m4,./doc/*.log,./doc/*.html,./doc/*.txt,./doc/*.six,./doc/*.js,./doc/*.bbl,./doc/*.tex,./doc/*.bib
-ignore-words-list=ist,manuel,MIS,mis
+ignore-words-list=ist,manuel,MIS,mis,homs