Update version number and copyright dates

LICENSE

 MIT License
 
-Copyright (c) 2017 Neal Wilson
+Copyright (c) 2018 Neal Wilson
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

src/resources/Info.plist

 	<key>CFBundleDisplayName</key>
 	<string>Typica</string>
 	<key>CFBundleShortVersionString</key>
-	<string>1.9.0</string>
+	<string>1.9.1</string>
 	<key>CFBundleVersion</key>
-	<string>1.9.0</string>
+	<string>1.9.1</string>
 	<key>NSHumanReadableCopyright</key>
-	<string>© 2007–2017 Neal Wilson</string>
+	<string>© 2007–2018 Neal Wilson</string>
 </dict>
 </plist>

src/typica.rc

 #include <winver.h>
 VS_VERSION_INFO	VERSIONINFO
-FILEVERSION 	1,9,0,0
-PRODUCTVERSION 	1,9,0,0
+FILEVERSION 	1,9,1,0
+PRODUCTVERSION 	1,9,1,0
 FILEFLAGSMASK	0x3fL
 #ifdef _DEBUG
 	FILEFLAGS	VS_FF_DEBUG
 		BLOCK "040904b0"
 		BEGIN
 			VALUE "CompanyName", "Wilson's Coffee & Tea\0"
-			VALUE "FileDescription", "Typica 1.9.0\0"
-			VALUE "FileVersion", "1.9.0\0"
+			VALUE "FileDescription", "Typica 1.9.1\0"
+			VALUE "FileVersion", "1.9.1\0"
 			VALUE "InternalName", "Typica\0"
-			VALUE "LegalCopyright", "Copyright 2007-2017 Neal Evan Wilson\0"
+			VALUE "LegalCopyright", "Copyright 2007-2018 Neal Evan Wilson\0"
 			VALUE "OriginalFilename", "Typica.exe\0"
 			VALUE "ProductName", "Typica\0"
-			VALUE "ProductVersion", "1.9.0\0"
+			VALUE "ProductVersion", "1.9.1\0"
 		END
 	END
 	BLOCK "VarFileInfo"

src/typica.w

 \mark{\noexpand\nullsec0{A Note on Notation}}
 \def\pn{Typica}
 \def\filebase{typica}
-\def\version{1.9.0 \number\year-\number\month-\number\day}
-\def\years{2007--2017}
+\def\version{1.9.1 \number\year-\number\month-\number\day}
+\def\years{2007--2018}
 \def\title{\pn{} (Version \version)}
 \newskip\dangerskipb
 \newskip\dangerskip