refactoring done, small bugfixes included, vectors and lists of non-primitive types are not working though

include/util.h

@@ -1,7 +1,9 @@
 #ifndef UTIL_H
 #define UTIL_H
 
-#include <stdbool.h>
+#undef bool
+
+typedef enum { false, true } bool;
 
 typedef enum {
 	LESS,
@@ -15,18 +17,19 @@ typedef enum {
 typedef long unsigned int size_t;
 
 typedef enum {
-	INT    = 0,
-	FLOAT  = 1,
-	CHAR   = 2,
-	VECTOR = 3, // allows for multi-dimensional arrays
-	LIST   = 4,
-	BOOL   = 5
-} dataType_e;
+	INT,
+	FLOAT,
+	CHAR,
+	VECTOR, 						// allows for multi-dimensional arrays
+	LIST,
+	BOOL,
+	STRING
+} type_e;
 
-char* intToString(int x);                       // convert an int into a string
+char* int_to_string(int x);         // convert an int into a string
 
-long pow(int x, int n);                         // x^n
+long pow(int x, int n);             // x^n
 
-int maxLowerPowerOf10(int x);                   // biggest power of 10 that is < x
+int max_lower_power_of_10(int x);	// biggest power of 10 that is < x
 
-#endif
+#endif // UTIL_H