Fix missing return value error check
[REMOVE] gdwarf2 for gdb
[WIP] Begin Taker refactor
[WIP] Remove Offer::entry
[WIP] Refactor Taker
[WIP] Refactor Taker
[WIP] Refactor Taker
[WIP] Taker refactor (gratuitous rename, cleanups, devirtualize)
[WIP] Gratuitous rename... the tiny sequel
[WIP] Finish core refactor.
[WIP] Push work before dinner
[FOLD] The first Taker unit test is now live
[WIP] Begin adding tests and flushing out the test interface
[WIP] Add some more tests, design table-based tests
[WIP] Refactor
[WIP] Tabulize tests
[WIP] First round of tests pass
[WIP] Unit tests are paying dividends!
[WIP/BROKEN] Leaving the office.
[WIP] Add test for IOU/XRP and XRP/IOU