Inactive first key of first node was being returned
Protect against crash on invalid index_next call
WIP on delete refactor; stubs in place
wip
wip -- finally have direct testing of bptree layer without tcp
continued wip
Mostly complete; integration testing tbd
Merge branch 'delete_refactor' into develop
Fix regression that prevented trees from deleting to 0 size
Simplify fixed-length CHAR handling
let's not trip over ourselves
wip on more robust btree testing
still some delete issues to be fixed
continued test case coverage improvements
refactor of overflow management in btree
Merge branch 'btree_tst' into develop
fix in-class initialization that some compilers don't like
enhanced live debugging
improved randomization in test cases using GNU scientific library

refactor of find key in node method
update refactor