Chapter 7 / 1 - minimal boost.
Chapter 7 / 1 - just enough to compile but

test still crashes.
Chapter 7 / 1 - remove crash

still some failures due to simplistic implementation.
Chapter 7 / 1 - remove *.stackdump
Chapter 7 / 1 - make tests pass.
Chapter 7 / 1 - fixed more tests.
Chapter 7 / 1 - move attributes to fixture.
Chapter 7 / 1 - fix remaining tests.
Chapter 7 / 1 - whitespace.
Chapter 7 / 2 - library.
Chapter 7 / 2 - remainder.
Chapter 7 / 3 - library.
Chapter 7 / 3 - remainder.