Fix Keyboard._onTab
Fix Keyboard._onTab

Also combine delete and insert into one instruction so it will be
emitted as such

voxmedia/quill,willrowe/quill,willrowe/quill,JoshBarr/quill,KentZheng/gitFlowTIB,DemocracyOS/quill,KentZheng/testingflow,fraywing/quill,KentZheng/gitFlowTIB,sferoze/quilljs,KentZheng/gitFlowTIA,milqfm/quill,kmoe/quill,eXcomm/quill,praneybehl/quill,sferoze/quilljs,Asana/quill-1,studio666/quill,anovi/quill,hampsterx/quill,voxmedia/quill,quilljs/quill,willrowe/quill,syungkeaw/quill,psiemens/quill,mobitroll/kahoot-quill,jayzawrotny/quill,KentZheng/gitFlowTIA,smartsocialmedia/quill,quilljs/quill,dahal/quill,jcppman/quill,sferoze/quilljs,psiemens/quill,voxmedia/quill,kmoe/quill,gutenye/quill,fraywing/quill,casetext/quill,quilljs/quill,KentZheng/testingflow,sferoze/quilljs,milqfm/quill,Asana/quill-1,tim-mc/quill,Benibur/quill,smartsocialmedia/quill,DemocracyOS/quill,tim-mc/quill,casetext/quill,mobitroll/kahoot-quill,jziggas/quill