LANG-1006: Add wrap (with String or char) to StringUtils. This closes PR #21 from github. Thanks to Thiago Andrade.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/lang/trunk@1592810 13f79535-47bb-0310-9956-ffa450edef68
Fix typo

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/lang/trunk@1592811 13f79535-47bb-0310-9956-ffa450edef68