cargo clippy fixes for Data

I must have implemented half of clippy's suggestions from last time. Derp!

Theres the rest of clippy's suggested use matches! macro.

src/data.rs

@@ -499,30 +499,19 @@ impl Data {
     /// 
     /// JSON Number's can hold both a whole number (i.e. signed/unsigned integers) and floats
     pub fn is_number(&self) -> bool {
-        match self {
-            Self::I8(_) | Self::I16(_) | Self::I32(_) | Self::I64(_) | Self::I128(_) => true,
-            Self::U8(_) | Self::U16(_) | Self::U32(_) | Self::U64(_) | Self::U128(_) => true,
-            Self::F32(_) | Self::F64(_) => true,
-            _ => false
-        }
+        matches!(self, Self::I8(_) | Self::I16(_) | Self::I32(_) | Self::I64(_) | Self::I128(_) | Self::U8(_) | Self::U16(_) | Self::U32(_) | Self::U64(_) | Self::U128(_) | Self::F32(_) | Self::F64(_))
     }
     /// Is Data a signed integer (Regardless of bits)
     /// 
     /// i.e. i8, i16, i32, i64, i128 or neither
     pub fn is_int(&self) -> bool {
-        match self {
-            Self::I8(_) | Self::I16(_) | Self::I32(_) | Self::I64(_) | Self::I128(_) => true,
-            _ => false
-        }
+        matches!(self, Self::I8(_) | Self::I16(_) | Self::I32(_) | Self::I64(_) | Self::I128(_))
     }
     /// Is Data a unsigned integer (Regardless of bits)
     /// 
     /// i.e. u8, u16, u32, u64, or u128 or neither
     pub fn is_uint(&self) -> bool {
-        match self {
-            Self::U8(_) | Self::U16(_) | Self::U32(_) | Self::U64(_) | Self::U128(_) => true,
-            _ => false
-        }
+        matches!(self, Self::U8(_) | Self::U16(_) | Self::U32(_) | Self::U64(_) | Self::U128(_))
     }
     /// Is Data a f32 or f64 or neither
     pub fn is_float(&self) -> bool {