Fixed error with the way the string pool worked

test/abort.c0.bc0

@@ -0,0 +1,25 @@
+C0 C0 FF EE       # magic number
+00 09             # version 4, arch = 1 (64 bits)
+
+00 00             # int pool count
+# int pool
+
+00 12             # string pool total size
+# string pool
+61 73 73 65 72 74 69 6F 6E 20 66 61 69 6C 75 72 65 00  # "assertion failure"
+
+00 01             # function count
+# function_pool
+
+#<main>
+00 00             # number of arguments = 0
+00 00             # number of local variables = 0
+00 07             # code length = 7 bytes
+14 00 00 # aldc 0          # s[0] = "assertion failure"
+BF       # athrow          # error "assertion failure"
+10 00    # bipush 0        # 0
+B0       # return          # 
+
+00 00             # native count
+# native pool
+