Add uc_htable_remove + test

src/htable.c

@@ -113,6 +113,22 @@ void uc_htable_insert(struct UHTable *table, struct UHNode *node, size_t hash)
     table->cnt_elements++;
 }
 
+void uc_htable_remove(struct UHTable *table, struct UHNode *node)
+{
+    struct UHNode **it = &table->buckets[uc_htable_bucket(table, node->hash)];
+    
+    while (*it) {
+
+        if (*it == node) {
+            *it = (*it)->next;
+            table->cnt_elements--;
+            break;
+        }
+
+        it = &(*it)->next;
+    }
+}
+
 int uc_htable_resize(struct UHTable *table, size_t buckets)
 {
     struct UHTable tmp_table;