replace includes() with indexOf(), includes() not available in MSIE 11
replace includes() with indexOf(), includes() not available in MSIE 11

radiasoft/sirepo,mkeilman/sirepo,mrakitin/sirepo,radiasoft/sirepo,mkeilman/sirepo,mkeilman/sirepo,radiasoft/sirepo,mrakitin/sirepo,radiasoft/sirepo,mrakitin/sirepo,mrakitin/sirepo,mkeilman/sirepo,radiasoft/sirepo