Remove extra extra word.
Update reading list.
Merge branch 'master' of github.com:danfuzz/samizdat
Expand the design highlights a bit.

More on void and conditional logic.
Merge pull request #760 from danfuzz/gcc-build

Gcc Build
Merge pull request #761 from danfuzz/label-layers

Label the layers
Merge branch 'master' into more-gcc