Now writes the format version in the first line of db files. Increased version number.
-rw-r--r-- 1385 Makefile
-rw-r--r-- 35147 gpl-3.0.txt
-rw-r--r-- 2856 mymail-vm.el
-rw-r--r-- 5741 mymail.1
-rw-r--r-- 33779 mymail.c