Don't buffer individual key presses in OperaWebElement.sendKeys
Don't buffer individual key presses in OperaWebElement.sendKeys

The OperaExec.type method sends the keys to Opera individually anyway,
so the performance gain is negligible compared to the more complex
logic.

operasoftware/operaprestodriver,operasoftware/operaprestodriver,operasoftware/operaprestodriver