- Many fixes to sourcing, now will always resolve to base dir.

- All scripts are again `sh` compatible.
- Binbox overhaul, symlinks finally work just like `busybox`.
- Error checking to some files like `sw` and `own`.
TODO: Make it pretty and make `short` already.

shrc

@@ -25,7 +25,7 @@ else
 	RC_NAME="."$BASENAME"rc"
 	RC_PATH="$HOME/$RC_NAME"
 
-  	# Optional MD5 checks
+	# Optional MD5 checks
 	HAS_CHANGED=1
 	SUM1=$(md5_opt "$RC_PATH")
 	SUM2=