- Tests and benchmarks now only include the headers they really need.
- Warnings turned off for tests that compile with external boost libs that are not warning free
* renaming naked to remove_cvref_t
* more static_asserts to check implicit conditions
* use new BOOST_TEST_TRAIT_SAME
* reorganize and add operator tests, fixes for array and map adaptors
* improved map adaptor
* storage does not have to support scaling operator anymore
* doc improvements