create volume
change CreateOpts from structure to map to avoid default null values
delete volume
get volume
list volumes
create snapshot
delete snapshot
get snapshot
list snapshots
urls.go for block storage endpoints
remove client.go (functionality located elsewhere)
add block storage v1 client
initial paging implementation and create volume rewrite
utility functions for handling optional HTTP parameters
rename volumes.go to results.go for consistency
fixes to creat and list volumes
break up acceptance tests
delete volumes rewrite
temporarily rename snapshots request.go
get volume rewrite