Add ex1_03.coffee
Add ex1_04.coffee
Shorten ex1_04.coffee w/anonymous functions
Add ex1_07.coffee
Add ex1_08.coffee
Add ex1_09a.coffee
Add ex1_09b.coffee
Add ex1_10.coffee
Add ex1_12.coffee
Add ex1_11.coffee
Add newton.coffee
Add count_change.coffee