Proper check for uninitialized datastream in get().

...  Was ending up with nothing being returned... Oops.
Merge pull request #103 from adam-vessey/1.x-rels-int-derp

Proper check for uninitialized datastream in get().
less warnings
Merge pull request #104 from willtp87/squash_warning

less warnings
urls can be updated
Merge pull request #105 from willtp87/url_fix

urls can be updated
updating tomcat source location
testing travis build
Merge pull request #107 from lutaylor/1.x

update tomcat to come from more reliable source