Updated Display

Changelog:
- Now allows the screen to be cleared:
-- Call upon 'LcdClearAll()' to clear the entire display.
-- Call upon 'LcdClearTitle()' to clear the title area.
-- Call upon 'LcdClearLine()' to clear the second line.
-- Call upon 'LcdClearTitleLine()' to clear both the title area and the
second line.
- Optimized writing text to the display.