* Unbias generation of requests:
...so that each endpoint is picked with the same frequency.
Also, include a test for unbiased generation that measures mean and variance of results.
* Add test API with multiple Path elements
* Add basic test using this API, generating an endpoint to validate that query path delimiting is happening correctly (that fails on `master`)
* Fix (re)creation of path to prepend `/` to each new path section, but only if it's non-empty (this fixes the trailing slashes, but still allows users to use a `:> "foo/" :>...` if their API demands trailing slashes)
* Update / fix the existing test that now fails slightly differently (i.e. the trailing slash in `failplz/` is gone)
Fixes#22.
* Also, fix import for old `Servant` versions - _every_ version now needs `Data.Bytestring` (i.e. Servant version < 0.8, as per old lts in `stack.yaml`)
* Simplify test API to use `()` - no awkward values at all.
* The test asserts on _entire_ of resulting path now...
* ...and fix the ampersand placement, but preserving the order of params left to right. The code also reads a bit better this way...
* Add test API taking multiple `QueryParam`s
* Add basic test using this API, generating an endpoint to ensure correct HTTP `one=foo&two=bar` query string generation is happening (that fails on `master`)
* Fix (re)creation of query string to append `&` before the new parameter if there is already a built query string.
Fixes#23.
