aeshell/aesh — pull request #77 by rbalent (2014-06-07 02:15:08+00:00)
Title: FileDisplayer - pgup/pgdown jumped on wrong line

1. pgup - jumped 2 lines below the correct line (incorrect +-1)
2. pgup/pdgown with combination of number should jump to
(rows - 1) * number

but was

rows * number - 1