Small improvements to #entries tag
Small improvements to #entries tag

* Support passing bucket, eg. `bucket="articles"`. TODO: Pass multiple buckets with |, negate with -, etc.
* Supports passing a where clause. TODO: Create a custom syntax that allows them to use variables here

dut3062796s/buckets,asm-products/buckets,edolyne/buckets,mikesmithmsm/buckets,nishant8BITS/buckets,edolyne/buckets,edolyne/hive,mamute/buckets,bucketsio/buckets,mikesmithmsm/buckets,bucketsio/buckets,artelse/buckets,edolyne/hive,mamute/buckets,artelse/buckets,dut3062796s/buckets,asm-products/buckets,nishant8BITS/buckets