"-" - bugfix
"+" - feature


 - sed detection in makefile
 + [io_modem.c] add random and smart algorythms selecting of tty.
   smart means (1) write time stat for every line and (2) evenly
   select a line to make a call
 - fix Exec features
 - fix reread configs with kill -1 
 - fix debug
 - fix domains support
 + add zlib compression