Aww yeah, more dissing of MissWatson in the README
Remove references to time division (unused, it seems)
Fix compiler warning
Add some documentation
Add documentation to header file
Add documentation for class
Rename length to capacity in CharString

This was a bit confusing, because the length never referred to the actual
length of the string, but instead the total number of bytes allocated to it.
Therefore capacity is a better name for this field.
Move string wrapping to CharString class
Indenting
Move these functions to CharString class
Fix unsigned/signed warnings
Add documentation to class
Add documentation, renaming to match conventions
Fix a few sign warnings