fixed opal command without options
Merge pull request #461 from skofo/fixed-bin

fixed opal command without options
Fix String#force_encoding not finding native_string
Use Rack::Static instead of Rack::Directory in opal-sprockets
Add public_dir= method to opal-sprockets
Merge pull request #463 from jibi/opal-sprockets-static

Use Rack::Static instead of Rack::Directory in opal-sprockets
Add promise stdlib
Merge pull request #464 from opal/promise

Implement promises
Add #and as an alias to #wait to Promise::When
Transform raised exceptions into rejections in Promise
Add some more specs for Promise
Transform normal values into promises in Promise.when
Add Promise::When#each and Promise::When#map
Add Promise::When#reduce
Alias Promise::When#map to #collect
Support String inheritance
Avoid possible flattening in Promise::When#map
Compliancy fixes for Array#shift
Compliancy fixes for Array.try_convert
Cleanup some passing specs