Add base classes for extraction utils
Add the HtmlLinksExtractor class
Add base classes for distribution utils
Add the RandomDistributor class
Add base classes for analysis utils
Add the Similarity analyzer class
Add the Pattern analyzer class
Add base classes for filter utils
Add the Exclude trait
Add the Uri and the Social filters
Add collection filters
Add the FilterChain and the FilterPluginManager classes
Add the PoolConfigManager
Merge pull request #2 from yasselavila/develop

Changes for version 0.1