stack working.
functional queue working except for last test case.
finished functional queue and stack.
passed all specs.
passed all specs.
passed all specs.
passed all specs.
passed all specs.
finished addToTail and removeHead.
Merge branch 'master' of https://github.com/lkaina/2013-09-data-structures

Conflicts:
	sprint-one/src/functional/stack.js
Merge remote-tracking branch 'upstream/master'

Conflicts:
	sprint-one/src/functional/stack.js
Added tests for linked list.
finished linkedList - passed specs.
added specs for tree tests.
passed all specs.
Merge branch 'master' of https://github.com/lkaina/2013-09-data-structures
create makeSet, pass specs
write .insert, start .retrieve
insert and retrieve working.
added spec to test for remove function.