Add uthash to project

src/2015/02.c

@@ -3,7 +3,7 @@
 #include <string.h>
 
 #include "lfinput.h"
-#include "math.h"
+#include "lfmath.h"
 
 void advent2015day02(void) {
     size_t sz = 0;

src/2015/07.c

@@ -4,7 +4,17 @@
 #include "lfinput.h"
 
 void advent2015day07(void) {
-    char *input = get_input("input/2015/07");
-    printf("Solution for Day 07 of 2015 is not completed yet\n");
-    free(input);
+    size_t sz = 0;
+    char **input = get_lines("input/2015/07", &sz);
+    for (size_t i = 0; i < sz; ++i) {
+        char *buf = malloc(sizeof(char) * 32);
+        size_t sp_sz = 0;
+        char **sp = split(buf, &sp_sz, " ");
+
+
+
+        del_split(sp);
+    }
+
+    del_lines(input);
 }