Add except_match
Add exception condition to converter_config
Fix code style
Use operator * instead of get method
Fix code style
add NULL check for ifa->ifa_addr (fix #273)
remove redundant loop
add clear() to storage_base
add clear() to stat
add clear() to regression_base
add clear() to classifier_base
fix typo
Merge branch 'feature/fix-273' into develop
update packaging version for next release
Remove keeper.hpp from framework.hpp: fixes #278

It is unnecessary to include keeper.hpp in framework module,
so it removed, and fixed graph_serv depends includes.
Merge pull request #275 from y-tag/refactoring

Trivial refactoring
Merge pull request #276 from y-tag/fix-200

clear() for classifier, regression and stat
Fix code format
Merge pull request #256 from unnonouno/feature/exception-rule

Add exception rule to converter configuration: fix #253
Fix storage to ensure resources are freed: refs #276