strdel( string[], start, end )
Remove some characters from a string
=== Parameters ===
| ''string'' | String to be manipulated |
| ''start'' | Position of first character to be removed |
| ''end'' | Position of last character to be removed. Must be after ''start''|
=== Return value ===
Returns 1 if successful.\\
Returns 0 on error.
=== Example usage ===
new s{20} = "CatDogAnt";
strdel(s, 3, 6); // returns 1
// s is now "CatAnt"