Reassign variables with set, bugfixes for strings shorter than allocated size

docs/syntax.md

@@ -1,9 +1,18 @@
 ## create var *bytes = Value
 
 Creates the variable "var" with a set number of bytes allocated to it, and initialises its value.
+**IMPORTANT:** The number of bytes cannot be modified later.
 
 Example: `create var *5 = "Hello"`
 
 ## print var
 
-Prints the value of `var` to the console, where `var` is a variable.
+Prints the value of `var` to the console, where `var` is a variable.
+
+Example: `print var`
+
+## set var = Value
+
+Changes the value of an already created value.
+
+Example `set var = "World"`