bet delay loop

added bet delay loop to increase bet speed based on site delay:
bets of 0.00000000 BTC are delayed by 3 seconds
bets of 0.00000001 BTC to 0.00000009 BTC are delayed by 1 second
bets of 0.00000010 BTC to 0.00000099 BTC are delayed by 0.8 seconds
bets of 0.00000100 BTC to 0.00000999 BTC are delayed by 0.6 seconds
bets of 0.00001000 BTC to 0.00009999 BTC are delayed by 0.4 seconds
bets of 0.00010000 BTC to 0.00099999 BTC are delayed by 0.2 seconds
bets of 0.00100000 BTC or more are not delayed