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Modtronix LCD16S LCD board
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The following code is part of the Modtronix LCD16S Serial LCD board.

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V1.4 - 2009 June
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- Made some improvements to I2C functionality to handle bus errors better
- Added "Configure Device" command to provide a single command that can be used
  to configure the device with at startup.

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V1.3 - 2008 February
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- Improved speed of SPI routines

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V1.20 - 2007 December 01  (cvs tag "pic_lcd2s_v120")
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- Improved backlight PWM, backlight used to flicker a bit a lower values
- Added button repeat delay and repeat rate features for keypad
- Added new buzzer feature for keypad, each time a button is pressed, OUT2
  get pulsed a configurable time
- Added configurable maximum brightness setting
- Backlight is now ramped on and off

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V1.10 - 2006 December 01  (cvs tag "pic_lcd2s_v110")
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- Added custom character command
- Added bar graph commands


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V1.00 - 2006 October 03  (cvs tag "pic_lcd2s_v100")
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- Initial version.