[MOD/WIP] Start separating the main DB API

Not everything is available as of now, I'm still working on it, but it
builds and seems to work, and its 9PM, so that's worthapush.

configure

@@ -15,7 +15,7 @@ TOOLS="tools"
 
 # Default compiler flags. These must be supported by all POSIX C compilers.
 # "Fancy" compilers that have additional options must be detected and set below.
-CFLAGS="-O1 -D_DEFAULT_SOURCE -I${INCLUDE}"
+CFLAGS="-O1 -D_DEFAULT_SOURCE -I${INCLUDE} -I${SRC}";
 LIBS="-lm -lpthread"
 
 # Default args for all platforms.
@@ -153,7 +153,7 @@ print_obj() {
 get_deps() {
     src="$1"
 
-    ${CC} -I${INCLUDE} -E "$src" \
+    ${CC} -I${SRC} -I${INCLUDE} -E "$src" \
         | grep '^#'              \
         | awk '{print $3}'       \
         | cut -d '"' -f 2        \