just logging improvements

Ignore-this: 821759b35224a65628557c2cfd713b54

darcs-hash:20130611200945-836b1-d601db3481237c1e0335d1dfabdba04eeb737fb7
another hack to stop graphfile from thinking its own new empty file means it should delete all the statements in that context

Ignore-this: 94639afbbe8d3a0abd8a06e16922394f

darcs-hash:20130611202502-836b1-fbcabe67b4c4c9f83eade3741fd5085ca17f7919
more lines to debug

Ignore-this: abe1c132edd58ae77f2a0d312723724a

darcs-hash:20130611212026-836b1-f401cf2e4a3029808cb49ca9466ad7338912803e