Added examples of the long form with value to the Use section of the README

Author: moebrowne

README.md

@@ -20,6 +20,9 @@ fi
 # --debug 3
 DEBUG_LEVEL="$(argValue "debug")" # 3
 
+# --max-size=1024
+MAX_SIZE="$(argValue "max-size")" # 1024
+
 # -R 0
 [ "$(argValue "R")" == "0" ] && echo "Recursive depth 0"
 
@@ -58,6 +61,11 @@ if argExists 'long-argument-name'; then
 	# Do something awesome
 fi
 
+# --protocol=HTTP
+if argExists 'protocol'; then
+	# Do something awesome
+fi
+
 # -O 43
 argExists 'r' && echo "Found the -O argument"
 ```