wrapped time_t as stime_t. stime_t will be 32-bit on win32 for backward compatibility.
simplify To headers on summary view.
fixed saved search.
added utility functions for optimization of filter.
match the output header for printing to the message view.
changed the license of LibSylph from GPL to LGPL.
moved more modules to libsylph.
use Content-Type's charset as a fallback encoding of broken header strings.
procheader.c: fixed the argument type of buffer length.
Initial import of Sylpheed (GTK2 version).