Opal can now parse command calls inside aref args

Author: adambeynon

README.md

@@ -53,10 +53,6 @@ opal has to include all dependencies into build.
 * **line 564**: opal cannot use mutable strings (see opal/rspec/fixes.rb). Also, opal
 does not support 2 regexp special characters yet (`\A` and `\z`).
 
-### rspec/core/shared_example_group/collection.rb
-
-* **line 17**: opal cannot parse command call inside aref
-
 ### rspec/matchers/built_in/have.rb
 
 * **line 1**: this is an error in rspec. This autoload does not exist so we must