Ensure tricky comments don't cause exceptions

We had this comment in our codebase and it was causing the whole parse
to fail

lib/kss/section.rb

@@ -35,7 +35,7 @@ def section
       return @section unless @section.nil?
 
       cleaned  = section_comment.strip.sub(/\.$/, '') # Kill trailing period
-      @section = cleaned.match(/Styleguide (.+)/)[1]
+      @section = cleaned.match(/Styleguide (.+)/i)[1]
 
       @section
     end

test/fixtures/css/buttons.css

@@ -58,3 +58,12 @@ Styleguide Buttons - Truly Lime
 a.button.lime {
   color: lime;
 }
+
+/*
+A button truly lime in color
+
+Seen in styleguide 10.2
+*/
+a.button.tricksy {
+  background: sparkles;
+}

test/parser_test.rb

@@ -76,7 +76,7 @@ def setup
   end
 
   test "public sections returns hash of sections" do
-    assert_equal 4, @css_parsed.sections.count
+    assert_equal 5, @css_parsed.sections.count
   end
 
   test "parse multiple paths" do