Update README

README.md

@@ -9,14 +9,34 @@
 
 ## Language features
 
-- [x] Math expressions
+- [x] General expressions
+  - [x] Arithmetic operations
+    - [x] Addition `X+Y`
+    - [x] Subtraction `X-Y`
+    - [x] Multiplication `X*Y`
+    - [x] Division `X/Y`
+    - [x] Modulo `X%Y`
   - [x] Unary operators
     - [x] Negate `-X`
   - [x] Parentheses `(X+Y)*Z`
   - [ ] Logical boolean operators
+    - [ ] Equal `==`
+    - [ ] Not equal `!=`
+    - [ ] Greater than `>`
+    - [ ] Less than `<`
+    - [ ] Greater than or equal `>=`
+    - [ ] Less than or equal `<=`
+  - [x] Bitwise operators
+    - [x] Bitwise AND `X&Y`
+    - [x] Bitwise OR `X|Y`
+    - [x] Bitwise XOR `X^Y`
+    - [ ] Bitwise NOT `~X`
+    - [x] Bitwise left shift `X<<Y`
+    - [x] Bitwise right shift `X>>Y`
 - [ ] Variables
   - [ ] Declaration
   - [ ] Assignment
+- [ ] Control flow
   - [ ] While loop `while X { ... }`
   - [ ] If else statement `if X { ... } else { ... }`
     - [ ] If Statement