Typo fixing round

Light check over all scarpet docs

Resolves #1626, resolves #1613, resolves #1597, some of the fixes are from these

docs/scarpet/language/Operators.md

@@ -222,7 +222,7 @@ A set of assignment operators. All require bounded variable on the LHS, `<>` req
 right hand side as well (bounded, meaning being variables). Additionally they can also handle list constructors 
 with all bounded variables, and work then as list assignment operators. When `+=` is used on a list, it extends 
 that list of that element, and returns the list (old == new). `scarpet` doesn't support currently removal of items. 
-Removal of items can be obtaine via `filter` command, and reassigning it fo the same variable. Both operations would 
+Removal of items can be obtained via `filter` command, and reassigning it fo the same variable. Both operations would 
 require rewriting of the array anyways.
 
 <pre>
@@ -276,7 +276,7 @@ args() -> ... [1, 2, 3]; sum(a, b, c) -> a+b+c; sum(args())   => 6
 a = ... [1, 2, 3]; sum(a, b, c) -> a+b+c; sum(a)   => 6
 </pre>
 
-Unpacking mechanics can be used for list and map constriction, not just for function calls.
+Unpacking mechanics can be used for list and map construction, not just for function calls.
 
 <pre>
 [...range(5), pi, ...range(5,-1,-1)]   => [0, 1, 2, 3, 4, 3.14159265359, 5, 4, 3, 2, 1, 0]