Bump Core Docs

Author: janlelis

irbtools.gemspec

@@ -37,7 +37,7 @@ Gem::Specification.new do |s|
   s.add_dependency %q<looksee>,       "~> 5.0"
   s.add_dependency %q<object_shadow>, "~> 1.1"
   s.add_dependency %q<code>,          ">= 0.9.4", "< 2.0"
-  s.add_dependency %q<core_docs>,     "~> 0.9.9"
+  s.add_dependency %q<core_docs>,     "~> 0.9.11"
   s.add_dependency %q<methodfinder>,  "~> 2.2", ">= 2.2.5"
   s.add_dependency %q<ruby_version>,  "~> 1.0"
   s.add_dependency %q<ruby_engine>,   "~> 2.0"