adding collision stats to README

README.md

@@ -2,7 +2,8 @@
 
 this is a non-cryptographic hash optimized for short strings.
 
-adapted from CodeDweller/mishmash.h/cpp
-https://code.microneil.com/madscientist/CodeDweller/src/branch/master
+.003% collision rate on 326K entries during testing
+
+adapted from CodeDweller/mishmash
 
 to use: use the Mishmash function. If you're in need of a second hash use Engine instead, which will return the accumulator. You can use the MishmashAccumulator function to mishmash your accumulator, and could also feed that accumulator back into Mishmash to double hash.