Merge tag '0.1.4' into develop

fix handling for fragmented http request
develop version is 0.1.5
add dpkg example
fix travis.yml for coveralls error
add test
add test and refactor
add rule to allow proxy server
golint
fix import order
add test
fix error handling
improve coverage
support http1.0 request
fix iptables rule
bump version to 0.1.5
Merge branch 'release/0.1.5'