Merge pull request #244 from 7digital/trace-id

Do not include TradeId header unless value is explicitly specified

Merge pull request #243 from 7digital/querystring-whitelist

Allow certain querystring params with POST/PUT

Allow providing factory for HttpClientHandler

 - This allows customised handling of HTTP requests if required, e.g. adding custom headers

Update dependency on public schema

Merge pull request #242 from rhargreaves/FT-803

Provide ForUsageTypes extension method to make it easy to specify usageTypes parameter

Merge pull request #239 from neetas/url-casing

Change URL behaviour to match W3 spec

Merge pull request #239 from neetas/url-casing

Change URL behaviour to match W3 spec

Merge pull request #238 from gregsochanik/post-params-no-qs

Post params no qs

Merge pull request #236 from danhaller/fix-posts-with-substituted-urls

Remove mutation that was adding extra query params

Merge pull request #236 from danhaller/fix-posts-with-substituted-urls

Remove mutation that was adding extra query params