Pin rubyracer version to 0.10

This is a temporary fix. See https://github.com/wycats/handlebars.js/pull/405#issuecomment-12013108

Gemfile

@@ -1,5 +1,5 @@
 source "http://rubygems.org"
 
 gem "rake"
-gem "therubyracer", ">= 0.9.8"
+gem "therubyracer", ">= 0.9.8", "< 0.11"
 gem "rspec"

Gemfile.lock

@@ -2,9 +2,8 @@ GEM
   remote: http://rubygems.org/
   specs:
     diff-lcs (1.1.3)
-    libv8 (3.11.8.11)
+    libv8 (3.3.10.4)
     rake (10.0.3)
-    ref (1.0.2)
     rspec (2.12.0)
       rspec-core (~> 2.12.0)
       rspec-expectations (~> 2.12.0)
@@ -13,9 +12,8 @@ GEM
     rspec-expectations (2.12.1)
       diff-lcs (~> 1.1.3)
     rspec-mocks (2.12.1)
-    therubyracer (0.11.1)
-      libv8 (~> 3.11.8.7)
-      ref
+    therubyracer (0.10.2)
+      libv8 (~> 3.3.10)
 
 PLATFORMS
   ruby
@@ -23,4 +21,4 @@ PLATFORMS
 DEPENDENCIES
   rake
   rspec
-  therubyracer (>= 0.9.8)
+  therubyracer (>= 0.9.8, < 0.11)

spec/spec_helper.rb

@@ -1,5 +1,32 @@
 require "v8"
 
+# Monkey patches due to bugs in RubyRacer
+class V8::JSError
+  def initialize(try, to)
+    @to = to
+    begin
+      super(initialize_unsafe(try))
+    rescue Exception => e
+      # Original code does not make an Array here
+      @boundaries = [Boundary.new(:rbframes => e.backtrace)]
+      @value = e
+      super("BUG! please report. JSError#initialize failed!: #{e.message}")
+    end
+  end
+
+  def parse_js_frames(try)
+    raw = @to.rb(try.StackTrace())
+    if raw && !raw.empty?
+      raw.split("\n")[1..-1].tap do |frames|
+        # Original code uses strip!, and the frames are not guaranteed to be strippable
+        frames.each {|frame| frame.strip.chomp!(",")}
+      end
+    else
+      []
+    end
+  end
+end
+
 module Handlebars
   module Spec
     def self.js_backtrace(context)