c9s

``` --mirror=, e.g. http://us.php.net, ... etc ```

+1

Text version: ``` Warning: Legacy context API has been detected within a strict-mode tree. The old API will be supported in all 16.x releases, but applications using it should migrate...

Same here

Add `"phpsgi/phpsgi": "@dev"`, to your composer.json

PR opened in #12

this PR is getting too big to merge, would you mind to split them and maybe we can merge some changes, like the csv source package, and the kline csv...

There are too many files, like 140+ files that I could not review all files in one round, will continue the review later. Since you're the first-time contributor, it would...

Or, maybe you can pull out the csvsource changes to one PR, I've reviewed these csvsource file changes.