Modifications
- rename `pageCache` to `CachedPage`
- move utilities to `Cache`
- do not access globals
- apply coding rules
- update LinkDB and test code
- add test coverage
Signed-off-by: VirtualTam <virtualtam@flibidi.net>
Relates to #218
Removes "hidden" access to the following variables:
- $GLOBALS['config']['datastore']
- PHPPREFIX
- PHPSUFFIX
Signed-off-by: VirtualTam <virtualtam@flibidi.net>