0.8.4: stadlib in Lyng! added universal Iterable functions

docs/Iterable.md

@@ -17,7 +17,14 @@ Iterator itself is a simple interface that should provide only to method:
 
 Just remember at this stage typed declarations are not yet supported.
 
-Having `Iterable` in base classes allows to use it in for loop. Also, each `Iterable` has some utility functions available:
+Having `Iterable` in base classes allows to use it in for loop. Also, each `Iterable` has some utility functions available, for example
+
+    val r = 1..10  // Range is Iterable!  
+    assertEquals( [9,10] r.takeLast(2) )
+    assertEquals( [1,2,3] r.take(3) )
+    assertEquals( [9,10] r.drop(8) )
+    assertEquals( [1,2] r.dropLast(8) )
+    >>> void
 
 ## Instance methods
 
@@ -33,7 +40,15 @@ Having `Iterable` in base classes allows to use it in for loop. Also, each `Iter
 | map(f)          | create a list of values returned by `f` called for each element of the iterable |
 | indexOf(i)      | return index if the first encounter of i or a negative value if not found       |
 | associateBy(kf) | create a map where keys are returned by kf that will be called for each element |
+| first           | first element (1)                                                               |
+| last            | last element (1)                                                                |
+| take(n)         | return [Iterable] of up to n first elements                                     |
+| taleLast(n)     | return [Iterable] of up to n last elements                                      |
+| drop(n)         | return new [Iterable] without first n elements                                  |
+| dropLast(n)     | return new [Iterable] without last n elements                                   |
 
+(1)
+: throws `NoSuchElementException` if there is no such element 
 
     fun Iterable.toList(): List
     fun Iterable.toSet(): Set