Add filter for converting numbers to English words indicating trend
Test more sensible large and small values

Test small and large values with Number.MIN_VALUE and Number.MAX_VALUE
Merge pull request #1 from bdo-labs/num-to-trend

Add filter for converting numbers to English words indicating trend
Add filter for turning terms into icons

Add a filter that turns terms into Font Awesome icons, currently used
to turn the trend terms "up", "down" and "flat" into their corresponding
icons. Also fixes the description of numToTrend tests.
Merge pull request #2 from bdo-labs/term-to-icon

Add filter for turning terms into icons
Added helper function to index.html test file

Helper function to make it easier to test the filters live.
Added a max filter

A max filter that picks the largest element from an array
Added a separatedNumber filter

Added a filter to format a number with space separated groups and a given number
of decimal places.