Verified All supported flash chips. Added Debug

Verified all supported flash chips. Added Debug via usb. Added #define
wrapper for debug output (oled vs usb). Fixed offset test.

(Chips tested: 1M, 2M, 4M, 8M, 16M, and 32M)
Merge branch 'dev'
Merge pull request #32 from mikeneiderhauser/master

Verified all supported flash chips. Fixed offset test. Added usb debugging.