updated for required flags + TODO section

README.md

@@ -20,6 +20,15 @@ This a very simple implementation of Go-like flags in Odin
 	fleg.parse_flags()
 ```
 
+You can also marks flags as **required"**. These will still be parsed, however will hault the application until they are passed:
+
+```odin
+	import "fleg"
+	isRunning: bool
+	fleg.BoolVar(&isRunning, "isRunning", true, "A select piece of code is running!", required = true)
+	fleg.parse_flags()
+```
+
 ***Supports: bool, int, string, f32***
 
 And on the command line, you pass flags like so:
@@ -54,7 +63,20 @@ The package also contains a help context menu. This comes default and can be cal
 
 ## Custom Flag Format
 
-A custom flag format can be created by overwriting the strings *FLAG_START_CHAR* and *FLAG_SEP_CHAR*. These cannot be the same however!
+A custom flag format can be created by overwriting the strings *FLAG_START_CHAR* and *FLAG_SEP_CHAR*. (These *cannot* be the same however!)
+
+```odin
+	fleg.FLAG_START_CHAR = "--"
+	fleg.FLAG_SEP_CHAR = ":"
+```
+
+Flags will now be in the format:
+
+```txt
+	--isString:"......"
+```
+
+**Note:** Any change to the format of the flags is also relfected upon the "help" flag.
 
 ## Custom Allocator
 
@@ -69,4 +91,11 @@ If needed, you are able to setup a custom allocator like so:
 
 	fleg.init_custom_allocator(arena_alloc)
 	defer fleg.destroy() //clean up flags
-```
+```
+
+## TODO
+
+* More type support
+* Better logging of INFO and ERROR's
+* String validation (perhaps not needed?)
+* Array support (e.g. **--isArray:{4,5,6,7}**)