Add character generator to format directives (rev. 19)

Signed-off-by: nixnodes <code@eth.si>
Remove unecessary 10240 byte buffer from _g_match (rev. 20)
Format date and time of any signed 32bit field or static value (extended
directives) (rev. 20)
Disable auto log path detection on startup (rev. 20)

Signed-off-by: nixnodes <code@eth.si>
Latest: 1.12-20

Signed-off-by: nixnodes <code@eth.si>
Format date and time not accepting fmt string in certain cases (rev. 21)

Signed-off-by: nixnodes <code@eth.si>