Upgraded to Clojure 1.3 and Incanter 1.3
Clojure 1.4 & Incanter 1.5
Move common functions to the utils module
Rewrite the relay data scraper
Get rid of the `ex` macro, rewrite it as a function
Exercise 3.8
Exercise 3.9
Exercise 3.10
Simplify the exercise runner
Exercise 4.1
Use paths relative to the current work dir
Exercise 4.2
Move the `pairwise` function to `utils`
Make `components` and `complementary` parts of the CDF protocol
Move `log-scale-y` to the `charts` module
Code cleanup
Exercise 4.3
.gitignore cleanup