[MULTI] WinArcadia 16.31

Changes since V16.3:

• Improved "Help|Opcodes..." subwindow.
• Miscellaneous improvements and bug fixes.

Changes between V16.3 and V16.31:

•  added 150% speed option to speed adjustment subwindow.
• fixed: "CAPS" indicator wasn't sized correctly on Windows 7.
• fixed: when switching to full-screen stretched mode with status bar
•   on, window was repainted badly.
•  incorporated Samir's latest Italian translation.
•  phunsy: now it knows that DAME.BIN is ASCII text.
•  improved tooltips in opcodes subwindow.
•  fixed various CALM-related bugs.