Adds smaller code samples from Chapters 1-3 to the tester.

tests/niminaction/Chapter1/various1.nim

@@ -0,0 +1,45 @@
+discard """
+  exitCode: 0
+  outputsub: "Woof!"
+"""
+
+import strutils
+echo("hello".to_upper())
+echo("world".toUpper())
+
+type
+  Dog = object #<1>
+    age: int #<2>
+
+let dog = Dog(age: 3) #<3>
+
+proc showNumber(num: int | float) =
+  echo(num)
+
+showNumber(3.14)
+showNumber(42)
+
+for i in 0 .. <10:
+  echo(i)
+
+block: # Block added due to clash.
+  type
+    Dog = object
+
+  proc bark(self: Dog) = #<1>
+    echo("Woof!")
+
+  let dog = Dog()
+  dog.bark() #<2>
+
+import sequtils, future, strutils
+let list = @["Dominik Picheta", "Andreas Rumpf", "Desmond Hume"]
+list.map(
+  (x: string) -> (string, string) => (x.split[0], x.split[1])
+).echo
+
+import strutils
+let list1 = @["Dominik Picheta", "Andreas Rumpf", "Desmond Hume"]
+for name in list1:
+  echo((name.split[0], name.split[1]))
+