Add Benchmark Specialized

Code

import scalqa._
import scala.collection.mutable.Buffer

App.Benchmark(12.Seconds,
  ("List      ", () => { var v: List[Int]   = Nil;          for (i <- 0 to 1000) v = i :: v; v.size }),
  ("Vector    ", () => { var v: Vector[Int] = Vector.empty; for (i <- 0 to 1000) v :+= i;    v.size }),
  ("Buffer    ", () => { val v: Buffer[Int] = Buffer.empty; for (i <- 0 to 1000) v += i;     v.size }),
  ("Idx.M     ", () => { val v: Idx.M[Int]  = NEW;          for (i <- 0 to 1000) v += i;     v.size }))

Result

Final Result.  Total Duration 12 secs
--- ---------- --------- --- ------- --- -----------------
Num Name       Run Count %   Memory  %   Control Value Avg
--- ---------- --------- --- ------- --- -----------------
1   List       204.5k    30  37.3kB  17  1001
2   Vector     48.8k     7   218.3kB 100 1001
3   Buffer     369.2k    55  21.6kB  9   1001
4   Idx.M      670.8k    100 8.3kB   3   1001
--- ---------- --------- --- ------- --- -----------------