Added Billing API methods:
* POST: purchases
* GET: purchases/{id}
* GET: users/current/products
* POST: purchases/{id}/refund

Added configuration for billing api endpoint
Work in progress support for GET:search
Support for GET:search
Merge branch 'features/search' of github.com:basespace/basespace-csharp-sdk into feature/search-master
Merge pull request #17 from basespace/feature/search-master

Feature/search master
Merge branch 'billingchanges' of github.com:basespace/basespace-csharp-sdk into feature/billingchanges-master
Adding support for API methods:
GET: users/current/appsessions (?appid=x)
GET: appsessions/{id}/appresults

Taken from pull request #15 by brunzefb
adding basic unit test
Merge pull request #18 from basespace/feature/appsessions

Adding GET: users/current/appsessions and GET: appsessions/{id}/appresults
Updated nuget package to fix build.
Merge pull request #19 from basespace/bugfix/nuget-update

Updated nuget package to fix build.
Added RunFileCompact for run download in space-dock.
Revert "Added RunFileCompact for run download in space-dock."

This reverts commit 92095e020cde67007ffe6ebe7a8fb62ba0985010.
Merge pull request #21 from basespace/bugfix/run-types

Revert "Added RunFileCompact for run download in space-dock."
- added instrument to run
Merge pull request #22 from basespace/feature/BASE-4605-add-instrument-to-run-compact

BASE-4605 - add instrument to run compact
- instrument should on compact
added serial number to compact in sdk
Merge pull request #23 from basespace/feature/BASE-3924

Feature/base 3924
updated read.me description of branches