Add tasks for all the new languages

Task/Stack-traces/Lasso/stack-traces-1.lasso

@@ -0,0 +1,24 @@
+// Define our own trace method
+define trace => {
+    local(gb) = givenblock
+
+    // Set a depth counter
+    var(::_tracedepth)->isnota(::integer) ? $_tracedepth = 0
+    handle => {$_tracedepth--}
+
+    // Only output when supplied a capture
+    #gb ? stdoutnl(
+        // Indent
+        ('\t' * $_tracedepth++) +
+
+        // Type + Method
+        #gb->self->type + '.' + #gb->calledname +
+
+        // Call site file
+        ': ' + #gb->home->callsite_file +
+
+        // Line number and column number
+        ' (line '+#gb->home->callsite_line + ', col ' + #gb->home->callsite_col +')'
+    )
+    return #gb()
+}

Task/Stack-traces/Lasso/stack-traces-2.lasso

@@ -0,0 +1,8 @@
+define stackexample => type {
+    public oncreate => trace => { return self }
+    public inner => trace => { }
+    public middle => trace => { .inner }
+    public outer => trace => { .middle }
+}
+
+stackexample->outer

Task/Stack-traces/Nim/stack-traces.nim

@@ -0,0 +1,6 @@
+proc g() =
+  writeStackTrace()
+proc f() =
+  g()
+
+f()

Task/Stack-traces/Oforth/stack-traces.oforth

@@ -0,0 +1,6 @@
+: f1   Exception throw("An exception") ;
+Integer method: f2  self f1 ;
+: f3   f2 ;
+: f4   f3 ;
+
+10 f4