Bug fixes [jss-plugin-extend] Fix can not extend rule name is array 1357 [*] Fix yarn build for windows 1376 Improvements [jss] Bump csstype to 3.0.2 1379 [react-jss] TypeScript support for innerRef prop 1355 [react-jss] TypeScript fix theme types 1349 [react-jss] Add properly react default props types calculation 1353 [react-jss] Upgrade Theming to 3.3.0 1382 [*] Upgrade flowtype to 0.131.0 1382