Merge branch 'RELEASE_3_7'

* RELEASE_3_7:
  Fix bug in BASiCSEstimate when no spikes

DESCRIPTION

 Package: splatter
 Type: Package
 Title: Simple Simulation of Single-cell RNA Sequencing Data
-Version: 1.5.3
 Date: 2018-08-20
 Author: Luke Zappia
 Authors@R:

NEWS.md

-### Version 1.5.3 (2018-08-20)
+## Version 1.5.3 (2018-08-20)
 
 * Fix bug in BASiCSEstimate when no spike-ins provided
 
@@ -24,6 +24,10 @@
 
 * Bioconductor 3.7 devel
 
+## Version 1.4.3 (2018-08-20)
+
+* Fix bug in BASiCSEstimate when no spike-ins provided
+
 ## Version 1.4.2 (2018-08-16)
 
 * Add missing regression argument to BASiCSEstimate