Generates a hash code for a string Reference: https://stackoverflow.com/questions/7616461/generate-a-hash-from-string-in-javascript/52171480#52171480
The string to hash
An optional seed value to initialize the hash calculation
The hash code as a number
Generates a hash code for a string Reference: https://stackoverflow.com/questions/7616461/generate-a-hash-from-string-in-javascript/52171480#52171480