Merge pull request #13 from miurahr/check_stream

CLI test option and more tests.

diff --cc CHANGELOG.md
Simple merge

diff --cc dictzip-lib/src/main/java/org/dict/zip/DictZipHeader.java
Simple merge

diff --cc dictzip-lib/src/test/java/org/dict/zip/DictZipHeaderTest.java
Simple merge

diff --cc dictzip-lib/src/test/java/org/dict/zip/DictZipInputStreamTest.java
Simple merge