Take a look only to thats commits

https://github.com/straccio/Highcharts_Sencha/commit/ea6e03fa1e4a1cb2f02006a53841b94a5e45fc9e
https://github.com/straccio/Highcharts_Sencha/commit/7e8d66e7f9c80f0ffc0f9dfad588ef71d90b60f1
https://github.com/straccio/Highcharts_Sencha/commit/4f8a24bc964ada529112342c37fe75af0ad903e9
https://github.com/straccio/Highcharts_Sencha/commit/d3950fa67aa2aefc402e9d1ec27dbd26acdbf8bd
https://github.com/straccio/Highcharts_Sencha/commit/9e5aa410644179226d6077f5cd6b24361e5d7621