Add documentation to un-documented modules

lib/cane/cli.rb

@@ -4,6 +4,8 @@
 require 'cane/cli/parser'
 
 module Cane
+  # Command line interface. This passes off arguments to the parser and starts
+  # the Cane runner
   module CLI
     def run(args)
       spec = Parser.parse(args)

lib/cane/cli/options.rb

@@ -1,6 +1,7 @@
 require 'cane/default_checks'
 
 module Cane
+  # Default options for command line interface
   module CLI
     def defaults(check)
       check.options.each_with_object({}) {|(k, v), h|

lib/cane/default_checks.rb

@@ -3,6 +3,7 @@
 require 'cane/doc_check'
 require 'cane/threshold_check'
 
+# Default checks performed when no checks are provided
 module Cane
   def default_checks
     [

lib/cane/runner.rb

@@ -3,6 +3,7 @@
 require 'cane/violation_formatter'
 require 'cane/json_formatter'
 
+# Accepts a parsed configuration and passes those options to a new Runner
 module Cane
   def run(*args)
     Runner.new(*args).run

lib/cane/task_runner.rb

@@ -1,3 +1,4 @@
+# Provides a SimpleTaskRunner or Parallel task runner based on configuration
 module Cane
   def task_runner(opts)
     if opts[:parallel]