Added duplicate a sequence, need to try it with reduce instead of loop recur
Added rotate a sequence and two helper methods (rotate-right and rotate-left)
Also added a test for it, all in clojure.core.intro
Merge https://github.com/royaldark/clojure-intro-class

Conflicts:
	src/intro/core.clj
Added pascel's triangle and some testing
Merge https://github.com/royaldark/clojure-intro-class

Conflicts:
	src/corefns/core.clj
	src/intro/core.clj
Commit to pull the necessary update
Merge https://github.com/royaldark/clojure-intro-class

Conflicts:
	src/corefns/core.clj
	src/intro/core.clj
Commit to be able to pull
Merge https://github.com/royaldark/clojure-intro-class

Conflicts:
	src/intro/core.clj
Added BigInt into dictionary and added a nil key and pack a sequence
Merge pull request #5 from Paul-Schliep/master

Merging recent changes