Save the state of codemirror
Typeahead should not overflow
Made change_tracking_map_t save by wrapping access to the changed key set into a subscription
Removed debug message, because it was often triggered incorrectly.
Typo
Restructured change_tracking_map_t safety checks
Removed unused include
Merge branch 'next' into daniel_2702
Renamed table_view_t back to table_t.
Put changefeed_t et al back inside the ql namespace.
Made read_datum_stream_t back to ql::lazy_datum_stream_t et al.
Put a break statement on its own line.
Removed the real_table directory.
Made base_table_t use the sindex_multi_bool_t as things were before.
Moved datum_range_t back to protocol.hpp.
Reordered an include.
Removed some unnecessary ql:: prefixes.
Moved stuff back to datum_stream.hpp.
Removed pointless ql:: prefixes in datum_stream.hpp and .cc.
Moved groups_to_batch back to datum_stream.cc.