Merge branch 'feature/algebra' into 'develop'

src/algebra/SmallMatrix.hpp

src/algebra/SmallVector.hpp

src/algebra/TinyVector.hpp

src/algebra/Vector.hpp

tests/CMakeLists.txt

tests/test_SmallMatrix.cpp

tests/test_SmallVector.cpp

tests/test_TinyVector.cpp

tests/test_Vector.cpp