v2.2.0

• Fix "Si5351 init does not initialize the ref freq nor corr entries for clkin", thanks to conr2286
• Fix bug in read that would hang the micro when using ATtiny3226 (and probably other types of microcontrollers)

v2.1.4

• Fix warning "reg may be uninitialized"

v2.1.3

• Correct error in si5351_example.ino sketch

v2.1.2

*Correct error in si5351_calibration.ino sketch

v2.1.1

• Add bool return value to init() indicating whether a device is on the I2C bus

v2.1.0

• Add support for reference frequencies and corrections for both the XO and CLKIN

v2.0.7

• Change set_freq() behavior so that the output is only automatically enabled the very first time that set_freq() is called

v2.0.6

Call set_pll() in set_correction() to ensure new correction is applied

v2.0.5

• Suppress pll_reset in set_freq when not necessary

v2.0.4

• Fix error in VCXO algorithm