change makefile to recompile .c files when .h files are change
change llist.size from type size_t to int to fix errors with llists occurring on mac
put precautionary NULL initializations of pointers in get_300_location(char code)
add print_url_table(llist *urltable, char *file_tag), called in main before
and after validate_outlinks_get_backlinks is called

add case in validate_and_populate to handle urls returning NULL from makeURLfromredirect()

add condition in link_outlinks to only link to url if it is in all_links and not intrinsic to url it's associated with in the table
add intrins.txt url_table_pre.txt and url_table_post.txt to .gitignore
stop git from tracking intrins.txt
Merge branch 'algorithm_2' into algorithm

Conflicts:
	crawler_control.c