Merge branch 'release/0.2.0'
Merge branch 'release/0.2.0'
Merge branch 'release/0.2.1'
Merge branch 'release/0.2.2'
Merge branch 'release/0.2.3'
Delete data package
change composer config libs to vendor
change xml
update README
テスト時にheader関数を出力しないよう変更
Merge pull request #1 from kumamidori/fixTestSpike

Change libs to vendor, Fix phpunit.xml
fix psr2
add author keyword