Add dual licensing under MIT or Apache-2.0 and update version to 0.1.7. Fixed documentation generation workflow.

LICENSE

@@ -0,0 +1,14 @@
+Licensed under either of
+
+ * Apache License, Version 2.0
+   (LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0)
+ * MIT license
+   (LICENSE-MIT or http://opensource.org/licenses/MIT)
+
+at your option.
+
+## Contribution
+
+Unless you explicitly state otherwise, any contribution intentionally submitted
+for inclusion in the work by you, as defined in the Apache-2.0 license, shall be
+dual licensed as above, without any additional terms or conditions.