Update Changelog, Makefile, Readme, Thanks to prepare 0.5.0 release

CHANGELOG

@@ -1,3 +1,15 @@
+2019-Jul-31:   Version 0.5.0
+-------------------------------------------------------------------------------
+- LoTW download: Show list of confirmed contacts.
+- Usability: Flush keyboard input buffer frequently during blocking operations
+  (e.g. scrolling) to avoid unexpected behaviour (such as further scrolling 
+  after PgUp/Dwn was released)
+- Include a minimal DX cluster / bandmap tool.
+- Support for terminal window sizes beyond 80x25. Additional vertical size
+  allows to show more QSOs in the log, horizontal size may be used for the
+  bandmap / DX cluster.
+- Remove GNUisms from Makefile (tnx KC3NTG)
+
 2019-Jun-30:   Version 0.4.0
 -------------------------------------------------------------------------------
 - Many small improvements contributed over the years, mostly by DF6FR and CT1DRB 

Makefile

@@ -1,4 +1,4 @@
-VERSION=0.4.0
+VERSION=0.5.0
 
 DESTDIR ?= /usr
 

README

@@ -1,10 +1,10 @@
-YFKlog Version 0.4.0 - A general purpose Ham Radio Logbook  
+YFKlog Version 0.5.0 - A general purpose Ham Radio Logbook  
 ------------------------------------------------------------------------------
 
 1. Project Description 
 ----------------------
 YFKlog is a general purpose logbook to keep track of amateur
-radio contacts. This is Version 0.4.0, released on 23. October 2007.
+radio contacts. This is Version 0.5.0, released on July 31, 2019.
 The key characteristics are:
 
 - Console based, bloat-free text interface. 
@@ -44,7 +44,10 @@ up YFKlog.
 For generating QSL-labels, pdflatex with the 'geometry' package is 
 needed. 
 
-YFKlog was designed to run in a console with 80x24 characters. 
+YFKlog was designed to run in a console with at least 80x24
+characters. It will scale vertically, e.g. if you're running
+it in a console with 80x50 characters, you will see more rows
+of your log; excessive terminal width is not used.
 
 5. Installation
 ---------------

THANKS

@@ -13,6 +13,7 @@ Gerald, DO7GG
 Helmut, ES6CO
 Joe, K1GPL
 John, EI7IG
+Justin, KC3NTG
 Marko, 9A8MM
 Olli, DH2WQ
 Philippe, F5IYJ