False positives #636

Apparently, the filtering functionality includes a text search in the project's description, which can lead to false positives:. For example, when selecting "I need... a class system", around 25% of the libraries are erroneously listed just because they have "class" somewhere on their description:

• chronoman (Utility class to...)
• decisiontrees (classifier tag)
• jvent (Event Emitter Class ...)
• Router.js (... Home js class ....)
• Transparency.js (has to do with CSS class attributes)
• mediahack.js (media-query classes to DOM nodes)
• Mouse (... mouse as a first class citizen)
• ClassIE (the name is a coincidence)
• atom.js (smal class providing...)
• Corner.js (CSS classes again)

I understand that this filter might be specially affected because "class" is such an overloaded word but I wonder if there isn't a way to make the filter more accurate.