Add tasks for all the new languages

Task/Fork/LFE/fork.lfe

@@ -0,0 +1,5 @@
+(defun start ()
+  (spawn (lambda () (child))))
+
+(defun child ()
+  (lfe_io:format "This is the new process~n" '()))

Task/Fork/Lasso/fork.lasso

@@ -0,0 +1,15 @@
+local(mydata = 'I am data one')
+
+split_thread => {
+	loop(2)	=> {
+		sleep(2000)
+		stdoutnl(#mydata)
+		#mydata = 'Oh, looks like I am in a new thread'
+	}
+}
+
+loop(2)	=> {
+	sleep(3000)
+	stdoutnl(#mydata)
+	#mydata = 'Aha, I am still in the original thread'
+}

Task/Fork/Nim/fork.nim

@@ -0,0 +1,11 @@
+import posix
+
+var pid = fork()
+if pid < 0:
+    # error forking a child
+elif pid > 0:
+    # parent, and pid is process id of child
+else:
+    # child
+    quit()
+# further Parent stuff here

Task/Fork/Phix/fork-1.phix

@@ -0,0 +1,8 @@
+procedure mythread()
+    ?"mythread"
+    exit_thread(0)
+end procedure
+
+atom hThread = create_thread(routine_id("mythread"),{})
+?"main carries on"
+wait_thread(hThread)

Task/Fork/Phix/fork-2.phix

@@ -0,0 +1 @@
+system("calc")

Task/Fork/Sidef/fork.sidef

@@ -0,0 +1,3 @@
+var x = 42;
+{ x += 1; say x }.fork.wait;     # x is 43 here
+say x;                           # but here is still 42

Task/Fork/Wart/fork.wart

@@ -0,0 +1,3 @@
+do (fork sleep.1
+         prn.1)
+   prn.2