enumdataproc

Add bit operations and arithmetic operations to enum

example

```rust use enumdataproc::*;

[repr(u32)]

[derive(BitOp,ArithOp)]

enum A{ a=7,b,c,d,e,f, }

fn main() { println!("{:?}",[ A::a+1, A::b<<1, 1&A::c, A::d|A::d, A::e%2, 2*A::f] ); }

```