Updated Query Param Parsers to Handle Repeated Keys (thanks to @chriswsh for #66)

Add gutResponse to the prune callback's argument list.

• Update away from a vulnerable dependency
• Improve unit tests

Breaking

This major release consumes cache-service-cache-module#2.0.0 which contains the following breaking change:

.get now returns a clone of, rather than a reference to, cached objects. This means that manipulating responses from .get will no longer manipulate the cache entry.

Non-breaking

Updating dependencies.

Now compatible with superagent 2.x and 3.x

Breaking Changes

• ._end is now ._superagentCache_originalEnd to prevent naming colisions
• .pruneParams is now .pruneQuery for clarity
• .pruneOptions is now .pruneHeader for clarity
• No longer wrapping .then since superagent uses real promises since 2.x. As a result, the resolve function passed to .then no longer exposes the generated cache key like it did when using superagent ^1.3.0 with superagent-cache ^1.5.0 (but using .end does still expose the generated cache key)

Relative pin to cache-service-cache-module to prevent unnecessary future releases.

Fixing a bug that prevented forceUpdate from being evaluated as part of the defaults object.

• Added the preventDuplicateCalls feature
• Updated cacheModule pin to 1.2.4

Adding support for HTTP patch calls. Thanks to @flochtililoch.

Only adding Request.prototype.then wrapper if Request.prototype.promise does not exist to preserve superagent-bluebird-promise compatibility. (Thanks to @wikiwong.)