more stuff in lexer

Author: Arthur Melton

Makefile

@@ -1,4 +1,2 @@
 all: 
-	g++ ./src/*.cpp -o main.out
-check:
-	
+	g++ ./src/*.cpp -o main.out

src/lexer.cpp

@@ -2,7 +2,7 @@
 #include "trim.h"
 
 char quotes_array[] = {'\"', '\'', '`'};
-char splits_array[] = {'(', ')', ';', ')', '\\'};
+char splits_array[] = {'(', ')', ';', '\\', '{', '}', '[', ']'};
 char empty_array[] = {' ', '\n', '\t', '\r', '\f', '\v'};
 
 stack<string> lexer_return(string contents) {