bugfix: dynamic path not end up with '\0'

bugfix: kick FILE* away to avoid log interlace

speed up. add %D for default time ouput

version: 1.0.7 optimize performance a little

version: 1.0.6 speed up!

version:1.0.5 bugfix 1.0.4, keep reopen FILE* safe

version:1.0.3

feature: add synchronous I/O file support, painfully slow

verson:1.0.0

version:0.9.3