Release v1.1

Fixed wrong parity bit form at TX, see Echo+1 Example Results:

Release v1.0

Fully tested with new synchonous FIFO

• works with static configuration (via module parameters)
• allows to buffer data inside built-in FIFO
• added parity error check
• tested on Cyclone Echo Demo

Release v0.9.1

In this release were made following changes:

• properly parity check (there was no timeout between last byte && parity check)
• longer rx_byte_received (for level usage not only edge)
• one parameter CLK_TICKS_PER_RS232_BIT instead of CLK && BAUDRATE

Release v0.9

Have minimal tests in testbenches, actual testing is required