Make more major improvements to redbean

- POSIX regular expressions for Lua
- Improved protocol parsing and encoding
- Additional APIs for ZIP storage retrieval
- Fix st_mode issue on NT for regular files
- Generalized APIs for URL and Host handling
- Worked out the kinks in resource resolution
- Allow for custom error pages like /404.html

net/http/isacceptablepath.c

@@ -21,7 +21,7 @@
 #include "net/http/http.h"
 
 /**
- * Returns true if request path seems legit.
+ * Returns true if path seems legit.
  *
  * 1. The substring "//" is disallowed.
  * 2. We won't serve hidden files (segment starts with '.').