+ver 4.91:
+ Fix issue with LMP version string and hciconfig.
+ Fix issue with missing discovery signal when scanning.
+ Fix issue with wrong state and canceling name resolving.
+ Fix issue with missing check during adapter initialization.
+ Fix issue with missing protocol not supported error and A2DP.
+ Fix issue with crash during driver unregistering and A2DP.
+ Fix issue with crash when receiving AVDTP close command.
+ Fix issue with remote SEP handling when A2DP codec changes.
+ Fix issue with SCO hangup handling and state changes.
+ Fix issue with security level and MCAP instances.
+ Fix issue with memory leak and HDP data channels.
+ Add support for discover characteristics by UUID to gatttool.
+ Add initial support for Out-of-Band association model.
+ Add initial support for SIM Access Profile.
+
ver 4.90:
Fix issue with setting of global mode property.
Fix issue with handling of RequestSession responses.