ulla 0.1.4

Final ULLA Core release which provides an GOLLUM project compliant Link User interface. The ULLA Core releases 0.1.x have a Link User API version 0.1 and an LLA interface version 1.

In order to further inhance the usibility of ULLA future versions are NOT backward compatible to version 1. These changes affect all components of the architecture, as there are Link User (LU), ULLA Core, and Link Layer Adapter (LLAs).