added _.after definition
Test cleanup: removing redundant/old tests
added _.bind definitions
added _.bindAll definitions
added _.bindKey definition
added _.compose definition
added _.createCallback definition, added forgotten return type castings in tests
added _.curry definition
added _.debounce definition
added _.defer definition, fixed bug in _.debounce tests
added _.delay definition
added _.memoize definition
added _.once definition
added _.partial definitions, more forgotten type castings in tests
added _.partialRight definition
added _.merge definitions
fixed _.merge reference in _.partialRight test
added _.throttle definition, moved debounce settings interface to top of file
added _.wrap definition, fixed bugs in tests, removed duplicate/old tests