[tests] test basic network operations
[tests] add suppression for forced error
remove windows build related file on make clean
2.7.1 to 2.8
Merge pull request #264 from ddpbsd/README.md

Update version in README.md from 2.7.1 to 2.8
Merge pull request #261 from cgzones/os_net_unittest

os net unit tests
Merge pull request #262 from cgzones/windows

remove windows build related file on make clean
[config] update makefile
[config] fix compiler warnings
[config] remove duplicate if else branch
[config] fix allocater mismatches
[config] remove dead code
[config] fix build: define global variable
[config] fix conversion warning
[config] fix missing prototype
[config] add some explicit casts
[config] add some const qualifiers
[config] fix possible memory leaks
[config] remove unused function 'AssignIgnore_Global'
[config] qualify some void pointers