add some test files in preparation
ADD
src/test/resources/io639-1.bin
+the
+test

ADD
src/test/resources/io639-2.bin
+
+test

ADD
src/test/resources/io639-3.bin
+
+
+test

ADD
src/test/resources/io639-4.bin
+
+

ADD
src/test/resources/io639-5.bin
+

IO-639 - add some test files in preparation