Merge pull request #4 from TheConstructor/master

Pretty-printing as utility methods
Update README for merged PR.
Use same hamcrest version directly as through junit.
Code reformatting of CountryCodes.java.

One country code per line makes this file a lot easier to deal with in version
control diffs and merges.
Add length validation for TL, XK. (SWIFT ver. 50)
Update POM and readme for upcoming release build.
[maven-release-plugin] prepare release release-1.2.0
[maven-release-plugin] prepare for next development iteration
Bump version number in Maven/Gradle instructions in readme.