Release 1.9.0

• Fixed glib critical when switching layouts
• Fixed minor memory leaks when switching layouts
• Whenever the client supports it, text is sent as text instread of key presses
• New Polish language layout
• Fixed greek layout
• Better key locking
• Less leaks
• Tweaks in terminal layout
• Better emoji layout

@sebastian.krzyszkowiak since you reported text input anomalies, I'd like your opinion on whether it's sufficient in the current state.