diff --git a/database.d b/database.d
index 51e49ab..af6010d 100644
--- a/database.d
+++ b/database.d
@@ -384,6 +384,12 @@ string toSql(Database db, Variant a) {
 	} else if(auto t = a.peek!(DateTime)) {
 		// FIXME: this might be broken cuz of timezones!
 		return db.sysTimeToValue(cast(SysTime) *t);
+	} else if(auto t = a.peek!string) {
+		auto str = *t;
+		if(str is null)
+			return "NULL";
+		else
+			return '\'' ~ db.escape(str) ~ '\'';
 	} else {
 		string str = to!string(a);
 		return '\'' ~ db.escape(str) ~ '\'';
diff --git a/gpio.d b/gpio.d
index aa1f37b..03d3eeb 100644
--- a/gpio.d
+++ b/gpio.d
@@ -143,6 +143,7 @@ struct GpioChip {
 	}
 }
 
+version(gpio_demo)
 void main() {
 	import std.stdio;
 	GpioChip g = GpioChip("/dev/gpiochip0");
diff --git a/terminal.d b/terminal.d
index 149a529..e496d0b 100644
--- a/terminal.d
+++ b/terminal.d
@@ -8448,6 +8448,8 @@ version(TerminalDirectToEmulator) {
 				int termX = (ev.clientX - paddingLeft) / fontWidth;
 				int termY = (ev.clientY - paddingTop) / fontHeight;
 
+				import std.stdio; writeln(ev.button);
+
 				if(sendMouseInputToApplication(termX, termY,
 					arsd.terminalemulator.MouseEventType.buttonReleased,
 					cast(arsd.terminalemulator.MouseButton) ev.button,