The library is header only. It makes no sense to distinuish
between the standard the library is compiled with and the
standard the tests are compiled with. The library does not
get compiled on its own.
* Move the code for sqlpp::mysql::detail::connection_handle_t to include/sqlpp11/mysql/detail/connection_handle.h
* Move the code for sqlpp::mysql::detail::prepared_statement_handle_t to include/sqlpp11/mysql/detail/prepared_statement_handle.h
* Move the code for sqlpp::mysql::detail::result_handle to include/sqlpp11/mysql/detail/result_handle.h
* Rename sqlpp::mysql::detail::connection_handle_t -> sqlpp::mysql::detail::connection_handle
* Rename sqlpp::mysql::serializer_t -> sqlpp::mysql::context_t
* Add const qualifiers to sqlpp::mysql::context_t::escape() and its parameter.
* Rename class/struct types, variables and functions from CamelCase to snake_case.
* Remove a superfluous function that forwards the call to mysql_close().
* value: add missing includes
* mysql, sqlite3: use explicitly *out* stringstreams for serialization
* postgresql: fix: use max_digits10 instead of digits10
* detail: add float_safe_ostringstream, ensuring floats are serialized with enough precision
* mysql, postgresql, sqlite3, tests: fix: set float-precision for all streams
* run clang-format on changed files
* inline remove_cvref.h
* replace unspecific "wrapper" with concrete type name
* tests: split connector specific tests out of serialize/Float
