PHP 5.5 dropped and ruleSet bugfix

Several dependencies were updated :

• PHP 5.5 is no longer supported : #30
• PHPUnit is updated to 5.4 : #32
• Guzzle 6.0 to 6.2 for security reasons : #29

A bug caused by RuleSet::getRules() leading to duplicated tags among items is fixed : #28

Updated dependencies

v2.2.1

update dependencies

Factory class

Merge pull request #25 from alexdebril/feature/factory

Factory class

new Feed::$url attribute

v2.1.3

url support

fix : in some context, $categories can be null

v2.1.2

returned value is an ArrayIterator

fix : categorises array can be empty

Merge pull request #23 from alexdebril/scrutinizer-patch-2

Scrutinizer Auto-Fixes

Categories support

This release supports item's categories

Upgrade to PHP 5.5 and Guzzle 6

This version embeds the following improvements :

• refactoring of the inheritance system. Now FeedInterface extends NodeInterface (not ItemInterface anymore)
• get/setLenght() methods are definitely replaced with get/setLength()
• feed-io now depends on PHP 5.5+ and Guzzle 6
• code cleaning

File system support

This version brings the ability to use feeds stored on the file system. It also officially supports PHP 5.5 and 5.6.

Better exceptions handling

Now all exceptions thrown by feed-io extend FeedIoException