Fix anonymous class and anonymous class instance inspection
Cleanup require system stuff in Kernel
Fix some possible infinite recursion in Comparable
Make #method_missing default error consistent with MRI
Cleanup Array#inspect
Cleanup Module#const_missing
Merge pull request #634 from opal/node-mspec-runner

Node mspec runner
Use #hash to generate internal Hash map keys
Improve Array#hash implementation

Still not foolproof tho.
Explicitly set nil’s object_id

Now’s different from the id of NilClass.
Reimplement Hash#merge in terms of clone+merge
Use more advanced Kernel & Numeric #hash functions
Cleanup rake mspec_node task
Use my rubyspec fork until it’s merged
Allow passing an external pattern to mspec_node