Update CHANGES.md
Fixed --toggle after autohide

Set the internal state to not toggled to properly display the terminal when doing stjerm --toggle. Fixes #5
switching to pgrep to find pid

This seems to be more widely available across distributions. Fixes #7
Fixing using ash and zsh shells

Fixed some code that was not properly passing usable argv value. Fixes #10
start stjerm when using --toggle if not already

If starting stjerm for the first time using the --toggle option, stjerm is left running, and the window is shown right away, as if --toggle was used when stjerm was already running. Fixes #6
cleanup
re-indexing the tabs when re-sorting
fixing syntax error
documenting the new reindex_tabs function