Make example programs find uninstalled .so too
Loose non standard unexposed prototypes

getdns_list_add_item & getdns_dict_copy
Only expose public symbols

Adapted Makefile.in accidentally already came with previous commit:
	61e28884b230ffc6e32d1b1b3e8ccf04ddec457a
Merge branch 'master' of github.com:getdnsapi/getdns
Update ChangeLog and bumb versions