Squashed 'includes/libraries/phpflickr/' changes from 3a4ee33..bc4f209

bc4f209 Merge pull request #17 from mistic100/photosets.getList
d40348e Merge pull request #16 from fbianco/master
15a7823 Merge pull request #14 from mistic100/all-sizes
b5955ce Merge pull request #9 from mikeMTOL/master
b8c7413 missing default value for last parameter of photosets_getList
286220c Correcting socket connection to use SSL as required by changes from Flickr
ef3d0ad extend buildPhotoURL with all prefixes available
2820d69 fixed quotes, moved to assoc array fetch
177ddee fixed delete of expired items, formatting change
fe6f493 Fixed DB caching, moved to JSON communication
6a6a805 Merge pull request #7 from scotthorn/master
8f1296a merge to switch to mysqli (this breaks PHP4 support. RIP.)
bcd54d2 Merge pull request #4 from nogorilla/master
9f4fc78 Expand photosets_getList with optional vars.
5eb4f05 remove manual over-ride of table engine
bdf4ba7 port from mysql to mysqli extension
19e6d12 updated to remove deprecated ereg function

git-subtree-dir: includes/libraries/phpflickr
git-subtree-split: bc4f2092b15d347e3d40c19fe0dbff8759fc8e51
Merge commit '2b9ef4f691a30bd52d428d3d8ce3099668b02bd1'
RESOLVES dan-coulter/phpflickr#38

* RESOLVES dan-coulter/phpflickr#38 unexpected 'unset'