Jack compiler now supports underscores in identifier

.gitignore

@@ -1,6 +1,7 @@
 # ---> N2T
 tools/bin/Hardware Simulator.dat
 tools/bin/CPU Emulator.dat
+tools/bin/Virtual Machine Emulator.dat
 # ---> Python
 # Byte-compiled / optimized / DLL files
 __pycache__/

jack_compiler/src/tokenizer.rs

@@ -359,7 +359,7 @@ fn parse_keyword_or_identifier(chars: &Vec<char>, tokens: &mut Vec<Token>, index
     token_string.push(chars[index]);
     index += 1;
 
-    while chars[index].is_alphanumeric() {
+    while chars[index].is_alphanumeric() || chars[index] == '_' {
         token_string.push(chars[index]);
         index += 1;
     }

tools/bin/Virtual Machine Emulator.dat

@@ -1 +0,0 @@
-C:\Users\Eytan\Desktop\New folder\nand2tetris\projects\08\FunctionCalls\NestedCall