* development: Remove clean step from test_umd.sh Update CHANGELOG.md vx.x.x Add CHANGELOG files to each sub-package Fix 0x.js CHANGELOG separate assignment and call Remove Async subscribe callbacks from OrderWatcher Update changelog Callback for subscribe no longer supports an Async Callback
assert
Standard type and schema assertions to be used across all 0x projects and packages
Install
npm install @0xproject/assert --save