nimsuggest: structured error reporting; EPC mode still fails

tools/nimsuggest/tests/tcursor_at_end.nim

@@ -0,0 +1,12 @@
+# test we get some suggestion at the end of the file
+
+discard """
+$nimsuggest --tester $file
+>sug $1
+sug;;skProc;;tcursor_at_end.main;;proc ();;$file;;10;;5;;"";;*
+"""
+
+
+proc main = discard
+
+#[!]#