Anyone who needs the above functionality in the meantime while it is being added to Axcrypt can use this autohotkey script. It will close axcrypt a short while after you open a file, logging you out and requireing password entry any time you open a file again.
#NoEnv ; Recommended for performance and compatibility with future AutoHotkey releases.
; #Warn ; Enable warnings to assist with detecting common errors.
SendMode Input ; Recommended for new scripts due to its superior speed and reliability.
SetWorkingDir %A_ScriptDir% ; Ensures a consistent starting directory.
settimer, kill, 20000
Process, Exist, AxCrypt.exe
If ErrorLevel <> 0
Process, Close, AxCrypt.exe