According to rfc2616#section-14.20 the header value is case-insensitive. Certain clients send the expectation as `100-Continue` and this should be handled by the server. Closes #2708
According to rfc2616#section-14.20 the header value is case-insensitive. Certain clients send the expectation as `100-Continue` and this should be handled by the server. Closes #2708