snapshot of release 0.2
modify pom.xml
Merge branch 'release-0.1'

Conflicts:
	pom.xml
Merge pull request #3 from hasunuma-k/master

merge bug-fixes in release 0.1.0 to master
Add Javadoc comments
Merge remote-tracking branch 'origin/release-0.1'
Merge pull request #5 from hasunuma-k/master

Change Strings class
temp
Fix: Reflector#invoke cannot call DecimalFormat#format
modify pom.xml
Merge pull request #6 from hasunuma-k/release-0.1

Release 0.1.2