Release eurephia 1.1.1

This is pure maintenance release, fixing several minor issues which has
become a bigger issue in newer Linux distributions with newer compilers.

Important changes:
* Several memory handling bugs has been fixed
* Improved error handling for some SQLite3 query string processing
* Ensure eurephia_init returns with the correct exit code
* Improved the logging if an address is not found in the database
* Sessions not found in the database is no longer an error
* Building eurephia now requires CMake 3.13 or newer
* Building now depends on C99 with GNU extensions

David Sommerseth (18):
      eurephia-auth: Fixed a double-free situation with dev-type is not obvious
      sqlite3: Improve error handling if memory alloc fails for SQL query string
      Fixed issue with missing -ldl on unstable Debian (sid) distro
      Removed some stray left-over variables no longer in use
      eurephia_init: Return with the proper exit code
      eurephia_init/benchmark: We don't need the result from the password hashing
      Correct ugly boundary checks in database init
      plugin: Improved logging of not found addresses in eurephia_learn_address
      plugin: Don't treat not found sessions in eurephinalearn_address() as a failure
      eurephiadm: Don't try to remove session file if it doesn't exist
      build: Update to CMake dependency to 3.13
      plugin: Improve get_env() documentation
      Fix various signedness compiler warnings with XML strings
      utils: Fix unused variable in benchmark function
      Fix incorrect usage of inline and static keywords
      utils: Fix incorrect buffer restriction in prompt handling
      plugin: Fix odd const declarations
      build: Move to -std=gnu99