Fixed an ArrayIndexOutOfBoundsException and added tests.


git-svn-id: https://svn.apache.org/repos/asf/sis/branches/JDK7@1562795 13f79535-47bb-0310-9956-ffa450edef68
Removed the text about "Apache SIS extensions to WKT 2", because it appears that latest ISO 19162 draft now support DerivedCRS.


git-svn-id: https://svn.apache.org/repos/asf/sis/branches/JDK7@1562796 13f79535-47bb-0310-9956-ffa450edef68