[AESH-57] made backspace deletion a lot more efficient on one line other deletions on a single line is a bit more efficient
[AESH-57]
made backspace deletion a lot more efficient on one line
other deletions on a single line is a bit more efficient

jerr/aesh,brmeyer/aesh,1and1/aesh,felipewmartins/aesh,aslakknutsen/aesh,ryanemerson/aesh,stalep/aesh,jfdenise/aesh,gastaldi/aesh,aeshell/aesh