1.0.4

• rewirte IPCALCLogic::valid_ipv4_addr method
• add is_ipaddr method that alias IPCALC::valid_ipv4_addr

1.0.3

• support php 5.4 about E_STRICT

1.0.2

• enhanced proper address processing between signed or unsigned

1.0.1

• fixed bug of guess_prefix api for negative number broadcast
• fixed wrong operation for negative numbers

1.0.0

initial release