renamed canonize to canonicalize
added crude support for ~user -> /home/user
added win32 specific stuff in basename
added C-/ as an alias for C-_
some cosmetics, moved code
create files with mode 0644 in raw_save_buffer
untabified, removed redundant spaces
modified code generators to the same effect
fixed bug in cfb32_fill_rectangle
use c99 syntax for new style struct initializers instead of gcc specific
simplified tolower unsigned char hacks
fixed various sparse warnings
