Update Strings

Strings.md

@@ -23,6 +23,15 @@ ehs::Str_8 str = "Hello World!";
 str.ToLower();
 ```
 **Result:** str == "hello world!"
+
+### GetLower
+This method will turn all English alphabetic characters into their lower case equivalent on a new string object and return it.
+```cpp
+ehs::Str_8 a = "Hello World!";
+ehs::Str_8 b = a.GetLower();
+```
+**Result:** b == "hello world!"
+
 ### ToUpper
 This method will turn all English alphabetic characters into their upper case equivalent on the current object.
 ```cpp
@@ -30,3 +39,11 @@ ehs::Str_8 str = "Hello World!";
 str.ToUpper();
 ```
 **Result:** str == "HELLO WORLD!"
+
+### GetUpper
+This method will turn all English alphabetic characters into their upper case equivalent on a new string object and return it.
+```cpp
+ehs::Str_8 a = "Hello World!";
+ehs::Str_8 b = a.GetUpper();
+```
+**Result:** b == "HELLO WORLD!"