- Updating documentation for chromedp-gen to point to standard versions
of easyjson/quicktemplate (qtc) and added information about goimports
- Replaced {% end %} non-standard quicktemplate tags with the
appropriate closing tags
- Updated to latest chrome protocol.json definition
- Regenerated cdp protocol after switching to standard easyjson/qtc
- Refactored chromedp-gen and cdp code so that Execute no longer returns
a channel
- Fixing potential race problems in handler
- Eliminated some dead code
- Updated examples to include new logging parameters
