Added changelog for version 3.5.7. [skip ci]

Added changelog for version 3.5.6. [skip ci]

Added changelog for version 3.5.5. [skip ci]

Added changelog for version 3.5.4. [skip ci]

Added changelog for version 3.5.3.

Added changelog for version 3.5.2.

Added changelog for version 3.5.1.

Added changelog for version 3.5.0.

Fixed tests on debian 9.

Added changelog for version 3.3.6.