Fixed a bug that : (<= #\a #\z #\f) -> t
Travis runs only on master branch not on topic branch.
Added repl demo
Fixed that bin/arcjs handles reader error explicitly.
Recompiled new uglifyjs
Fixed a bug that read '(0 . 0) => (0)
Added strange attractor demo.
Fixed README.
Merge pull request #5 from smihica/feature/demo2

Feature/demo2