Use const& in foreach when POD not used.
tree0c9cf2a230e03ff3892f2547407ab1d078899dce
-rw-r--r-- 199 .gitignore
-rw-r--r-- 14 AUTHOR
-rw-r--r-- 23922 COPYING
-rw-r--r-- 30 README
drwxr-xr-x - debian
-rw-r--r-- 1695 shopper.pro
drwxr-xr-x - src
drwxr-xr-x - www