FT-254 Replace NULL_LOGGER etc with nullptr
FT-247 Move files relating to the bulk loader to their own directory
FT-249 FT-256 Add a message buffer class to replace FIFO. Use a real
functor instead of a macro for iterate.
FT-241 Use #pragma once as a header guard
FT-248 Remove dead code from tools/
FT-197 Store cachefiles in OMTs only, remove linked list pointers
FT-258 Merge ft/ft-search.h into ft/cursor.h, rename ft_search_t to just
ft_search