Merge pull request #334 from cmu-delphi/update-description-version

Sync version in DESCRIPTION file with NEWS.md

Author: brookslogan

DESCRIPTION

@@ -1,7 +1,7 @@
 Type: Package
 Package: epiprocess
 Title: Tools for basic signal processing in epidemiology
-Version: 0.6.0.9999
+Version: 0.7.0
 Authors@R: c(
     person("Jacob", "Bien", role = "ctb"),
     person("Logan", "Brooks", role = "aut"),