change default combined mode for tcpcopy
fix dead assignment
try to solve the conditional branches mispredicted problem
format code
optimize date structure for route
remove thread
remove thread pool
fix index
optimize key generation
add warning for nonlocalhost clients visiting localhost app
fix the compilation problem
merge master
add constants
remove delay items
Merge branch 'master' into develop
Merge branch 'master' into develop
Merge branch 'master' into develop
Merge branch 'master' into develop
Merge branch 'master' into develop
Merge branch 'master' into optimize