- add new funktsionality
- fix bugs
- better documentation

VERSION 0.3.x:
- better error handling
- better system to replace content, because memory allocation is slow and if you add or update
        memory will be allocated even if it is not needed.
- the shmap file we created must have exactly the same permissions as the shared memory segment
- api to change permissions
- api to add binary data, int, double etc etc data
- etc...