Add tasks for all the new languages

Task/Include-a-file/Lingo/include-a-file.lingo

@@ -0,0 +1,13 @@
+-- load Lingo code from file
+fp = xtra("fileIO").new()
+fp.openFile(_movie.path&"someinclude.ls", 1)
+code = fp.readFile()
+fp.closeFile()
+
+-- create new script member, assign loaded code
+m = new(#script)
+m.name = "someinclude"
+m.scriptText = code
+
+-- use it instantly in the current script (i.e. the script that contained the above include code)
+script("someinclude").foo()