PIC-WEB, major changes in hardware revision D:

1. Q1 changed to Q25MHz/20pF/20ppm/2P/5.0x3.2mm (from 25MHz/4positions).
2. C13 changed to 22uF/6.3V/C0603 (from 10uF/6.3V/Tant/C3216).
3. R29 (100k/1%/0603) added between CTS and GND.
4. PWR jack's pads changed.
5. LED's and PWR_LED's size changed to 0603 (down from 0805).
6. MC34063AD_SMD_MBR changed to SY8120B1(SOT23-6). This also required changing the surrounding components.
7. R25 changed to 100k/1%/0603 from 100k/5%/0603.
8. L2's package changed L0805 (from L2012C).