HTTP to HTTPS for Tutorial

Author: peterjc

wiki/Biopython.md

@@ -38,7 +38,7 @@ the libraries and tools.
 
 | [Get Started](wiki/Getting_Started "wikilink")                                                                                                      | [ Get help](wiki/Documentation "wikilink")                                                                                           | [ Contribute](wiki/Contributing "wikilink")                                                                                        |
 |------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------|
-| [ Download Biopython](wiki/Download "wikilink")                                                                                                     | [Tutorial](http://biopython.org/DIST/docs/tutorial/Tutorial.html) ([PDF](http://biopython.org/DIST/docs/tutorial/Tutorial.pdf)) | [ What's being worked on](wiki/Active_projects "wikilink")                                                                         |
+| [ Download Biopython](wiki/Download "wikilink")                                                                                                     | [Tutorial](https://biopython.org/DIST/docs/tutorial/Tutorial.html) ([PDF](https://biopython.org/DIST/docs/tutorial/Tutorial.pdf)) | [ What's being worked on](wiki/Active_projects "wikilink")                                                                         |
 | [Main README](https://github.com/biopython/biopython/blob/master/README.rst) | [ Documentation on this wiki](wiki/Category%3AWiki_Documentation "wikilink")                                                         | [ Developing on Github ](wiki/GitUsage "wikilink")                                                                                 |
 |                                                                                                                                                | [ Cookbook (working examples)](wiki/Category%3ACookbook "wikilink")                                                                  | [Google Summer of Code](wiki/Google_Summer_of_Code "wikilink")                                                                     |
 |                                                                                                                                                | [ Discuss and ask questions](wiki/Mailing_lists "wikilink")                                                                          | [Report bugs](https://github.com/biopython/biopython/issues) |