start of tests refactoring; sqlite3 new wrapper fixes

tests/ttempl3.nim

@@ -1,26 +0,0 @@
-
-template withOpenFile(f: expr, filename: string, mode: TFileMode,
-                      actions: stmt): stmt =
-  block:
-    var f: TFile
-    if open(f, filename, mode):
-      try:
-        actions
-      finally:
-        close(f)
-    else:
-      quit("cannot open for writing: " & filename)
-    
-withOpenFile(txt, "ttempl3.txt", fmWrite):
-  writeln(txt, "line 1")
-  txt.writeln("line 2")
-  
-# Test zero argument template: 
-template ha: expr = myVar[0]
-  
-var
-  myVar: array[0..1, int]
-  
-ha = 1  
-echo(ha)
-