added timespec_diff() function for calculate diff of two struct timespec

See merge request !27

wepoll issues

See merge request !26

Feature 2648

See merge request !25

possible strptime-concerned fix

See merge request !24

Windows build fixed

See merge request !23

[*] Fixed possible buffer overflow
[*] Duplicated output to file and to stdout

Logger fixed, but no history available yet

See merge request !22

# Conflicts:
#   src/dap_common.c

[*] changed localtime_s for win32

See merge request !21

Logger issues

See merge request !20

for spare defines' sake

See merge request !19

Cross-pt build fixes

See merge request !18

var rename

See merge request !17

config concerned fixes

See merge request !16

macro confilcts fix

See merge request !15