Merge pull request #9 from Kimmsudenver/master

update build.xml, add test getPoolAsList in test.java
Added strong typing for equals, interface for equals, hashcode, some tests
Merge pull request #10 from ericvangelder/Develop

Added strong typing for equals, interface for equals, hashcode, some tes...
Seperate Null cases out in test
Merge pull request #11 from Kimmsudenver/testBranch

Seperate Null cases out in test
Added Javadoc and some stylecheck
Merge pull request #12 from stevilstick/mywork

Added Javadoc and some stylecheck
Update Thing42.java equals method based on Sterling method to check contains first