Checking in changes prior to tagging of version 2.00.

Changelog diff is:

diff --git a/Changes b/Changes
index 99cc6c8..821c05b 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,8 @@ Revision history for Perl module App::dategrep

 {{$NEXT}}

+2.00 2018-08-06T18:43:47Z
+
     *** BREAKS COMPATIBILITY ***

   - new date parsing library App::dategrep::Strptime (old conversion specifiers

Changes

@@ -2,6 +2,8 @@ Revision history for Perl module App::dategrep
 
 {{$NEXT}}
 
+2.00 2018-08-06T18:43:47Z
+
     *** BREAKS COMPATIBILITY ***
 
   - new date parsing library App::dategrep::Strptime (old conversion specifiers