Chris Hung

fix ToInt64E to cast value to int64 correctly on 32-bit system

1

ToInt64E currently try cast the value to int type, which default to int32 type on 32-bit system and will result in potential overflow error. Fix this by update the bitSize...

From the sample code: ```go ... b, err := builder.Build() if err != nil { panic(fmt.Errorf("failed to build biscuit: %v", err)) } token, err := b.Serialize() if err != nil...