Execute compiled dotfile

...instead of just echoing it for debugging purposes.

src/lib/internals/execute-dotfile.sh

@@ -4,6 +4,6 @@ execute-dotfile() {
   locate-target
   if [ "$?" != "0" ]; then return 1; fi
 
-  echo "$dotfile_source"
+  eval "$dotfile_source"
   return $?
 }