add array functionality

Makefile

@@ -7,7 +7,7 @@ CC = gcc
 SHELL := /bin/bash
 
 INCLUDE := include
-CFLAGS = -Wall -I$(INCLUDE)
+CFLAGS = -Wall -I$(INCLUDE) -ggdb
 
 BUILD_DIR := build
 
@@ -18,8 +18,10 @@ INCLUDE_INSTALL_PATH := /usr/local/include/lsort
 LIB_INSTALL_PATH := /usr/local/lib
 
 STATIC_BUILD_FILES := $(STATIC_BUILD_DIR)/lsort.o \
+					  $(STATIC_BUILD_DIR)/types.o
 
 DYNAMIC_BUILD_FILES := $(DYNAMIC_BUILD_DIR)/lsort.o \
+					   $(STATIC_BUILD_DIR)/types.o
 
 TEST_BUILD_FILES := $(TEST_BUILD_DIR)/test.o \