Add JWTUtils.decodeHeader

Author: Daniel DeGroff

CHANGES

@@ -1,7 +1,7 @@
 FusionAuth JWT Changes
 
 Changes in 3.0.1
- * Add JWTUtils.decodePayload as a utility to decode a JWT, this is an unsafe and should only be used for utility not to verify the JWT.
+ * Add JWTUtils.decodePayload and decodeHeader as a utility to decode a JWT, this is an unsafe and should only be used for utility not to verify the JWT.
 
 Changes in 3.0.1
  * Remove un-needed line return at the end of the PEM when encoding a PEM string.