Replaced std::nullptr_t for boost::variant2::monostate in values
Added support for relational operators in value
Automatic docs generation
closes#48closes#46
- Removed distinction between row and owning_row
- Changed semantics for fetch_one to row& + bool
- Renamed all fetch_* fns to read_*
- Added row.clear()
Now all includes live within boost
Corrected convention for .hpp and .ipp
Corrected convention for impl/detail
Now detail is split into auth/aux/protocol/network_algorithms