README.md: HTTP => HTTPS (#4878)

Author: Schweinepriester

README.md

@@ -20,7 +20,7 @@ Preferably, you can download sqlmap by cloning the [Git](https://github.com/sqlm
 
     git clone --depth 1 https://github.com/sqlmapproject/sqlmap.git sqlmap-dev
 
-sqlmap works out of the box with [Python](http://www.python.org/download/) version **2.6**, **2.7** and **3.x** on any platform.
+sqlmap works out of the box with [Python](https://www.python.org/download/) version **2.6**, **2.7** and **3.x** on any platform.
 
 Usage
 ----
@@ -46,7 +46,7 @@ Links
 * User's manual: https://github.com/sqlmapproject/sqlmap/wiki
 * Frequently Asked Questions (FAQ): https://github.com/sqlmapproject/sqlmap/wiki/FAQ
 * Twitter: [@sqlmap](https://twitter.com/sqlmap)
-* Demos: [http://www.youtube.com/user/inquisb/videos](http://www.youtube.com/user/inquisb/videos)
+* Demos: [https://www.youtube.com/user/inquisb/videos](https://www.youtube.com/user/inquisb/videos)
 * Screenshots: https://github.com/sqlmapproject/sqlmap/wiki/Screenshots
 
 Translations