avoid instanceof checks as they won't work where npm installs multiple copies of Highland
avoid instanceof checks as they won't work where npm installs multiple copies of Highland

svozza/highland,Whoaa512/highland,jgrund/highland,icio/highland,vqvu/highland,svozza/highland,vqvu/highland,surgeforward/highland,jgrund/highland,quarterto/highland,kwangkim/highland,kwangkim/highland,megawac/highland,caolan/highland,dayoadeyemi/highland,surgeforward/highland,kjvalencik/highland,kjvalencik/highland,Andolamin/highland,caolan/highland,megawac/highland,dayoadeyemi/highland,Whoaa512/highland,Andolamin/highland,icio/highland