Merge pull request #107 from Smittyvb/unicode-15

Upgrade to Unicode 15.0.0

Author: Manishearth

scripts/unicode.py

@@ -54,7 +54,7 @@
 # these are the surrogate codepoints, which are not valid rust characters
 surrogate_codepoints = (0xd800, 0xdfff)
 
-UNICODE_VERSION = (14, 0, 0)
+UNICODE_VERSION = (15, 0, 0)
 
 UNICODE_VERSION_NUMBER = "%s.%s.%s" %UNICODE_VERSION