Merge tag '0.10' into develop

Adjusted to sqlpp11 0.18
Added call operator to connection, adjusted tests to use it
Adjusted exceptions and debug messages
Adjusted CMakeLists.txt to be better usable in submodules
Adjusted tests/CMakeLists.txt to be better usable in submodules

Prefixing target names avoids name clashes
Minor adjustments to CMakeLists
Added a few sanity tests for select statements
Merge branch 'release/0.11'