Restore support for host negotiation terms
1.10.6
This closes kriskowal/q-io#65 (70 tests, 134 assertions, 0 failures, 0 skipped)
This closes kriskowal/q-io#65 (changed dstExists to targetExists as per standards)
Add specs for http range header.

According to
http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.35.1
Fix host negotiation

This reintroduces the "host" to "request.terms" if a host is
successfully negotiated, to notify downstream apps of which host pattern
matched.
Fix range content HTTP requests

Further work needed to be fully conformant, particularly for multiple,
non-contiguous range requests; and multiple, mixed-validity range
requests.
Update change log for v1.10.7
1.10.7
Update change log for republication
1.10.8
Merge divergent masters