* development:
Update and standardize contracts README
Add to CHANGELOG
Refactor toBaseUnitAmount so that it throws if user supplies unitAmount with too many decimals
Make assertion stricter so that one cannot submit invalid baseUnit amounts to `toUnitAmount`
Add some missed underscores, update changelog and comments
Add new underscore-privates rule to @0xproject/tslint-config and fix lint errors
# Conflicts:
# packages/website/ts/pages/documentation/documentation.tsx
# packages/website/ts/pages/shared/nested_sidebar_menu.tsx
* development: (29 commits)
Move call to error reporter to end of handler so that even if reporting the error takes a while, it doesn't block the UI
Update outdated WETH ranges
Fix conditional
Fix top-padding
Publish
Update CHANGELOGs
Add slashes to base URLs
Fix linter issue
Fix WETH symbol
Update snapshot and artifacts
Replace our EtherTokens with WETH9 from maker
Fix test description
Fix a typo
Add err==null assertions
Add WETH9 tests
Use the new snapshot including WETH9 and it's artifacts
Add WETH9 and mirations
Fix WETH events watching
Fix a typo
Init the _etherTokenContractsByAddress
...
