Add inital Coffeescript build package

Cakefile

@@ -0,0 +1,18 @@
+{print} = require 'util'
+{spawn} = require 'child_process'
+
+task 'build', 'Build lib/ from src/', ->
+  coffee = spawn 'coffee', ['-c', '-o', 'lib', 'src']
+  coffee.stderr.on 'data', (data) ->
+    process.stderr.write data.toString()
+  coffee.stdout.on 'data', (data) ->
+    print data.toString()
+  coffee.on 'exit', (code) ->
+    callback?() if code is 0
+
+task 'watch', 'Watch src/ for changes', ->
+  coffee = spawn 'coffee', ['-w', '-c', '-o', 'lib', 'src']
+  coffee.stderr.on 'data', (data) ->
+    process.stderr.write data.toString()
+  coffee.stdout.on 'data', (data) ->
+    print data.toString()