Net effect here is that hex numbers and most exponential-format numbers or long sequences of digits will remain strings rather than being coerced to numbers. `The people have spoken.

In particular, min-width and max-width are taunting the awesome hack. Closes gh-865.

Extracts the serialization code from the ajax module so that alternative ajax implementations can use it without the need for the whole ajax module to be included in the build.

This reverts commit e866893f.

Failures in IE6 when this is removed, unfortunately.

At this point BlackBerry 4.7 (and related ancient browsers) should be scarce (released circa 2008) so #6932 will be closed wontfix for this edge case.

This was fixed to some extent in gh-724 but there were insufficient test cases. Removing the lowercase completely allows IE 6/7 to work properly since there you need an exact case match for attributes, even in HTML docs. More discussion and test cases in the comments on gh-724.

The 100ms here is just too fast and flakey, it causes random fails in swarmy runs.