made sure all files were properly commented

test/cake.coffee

@@ -0,0 +1,4 @@
+# Cake
+# ----
+
+# TODO: add tests

test/command.coffee

@@ -0,0 +1,4 @@
+# Command
+# -------
+
+# TODO: add tests

test/control_flow.coffee

@@ -9,6 +9,8 @@
 #   * Loop
 # * Switch
 
+# TODO: make sure postfix forms and expression coercion are properly tested
+
 # shared identity function
 id = (_) -> if arguments.length is 1 then _ else Array::slice.call(arguments)
 

test/repl.coffee

@@ -0,0 +1,4 @@
+# REPL
+# ----
+
+# TODO: add tests

test/string_literals.coffee

@@ -4,6 +4,9 @@
 # TODO: refactor string literal tests
 # TODO: add indexing and method invocation tests: "string"["toString"] is String::toString, "string".toString() is "string"
 
+# * Strings
+# * Heredocs
+
 test "backslash escapes", ->
   eq "\\/\\\\", /\/\\/.source