Update version numbers and changelogs

+# 1.0.7
+* Use lowercase page dimension constants
+
 # 1.0.6
 * Fix TTF font name lookup
 

@@ -2,7 +2,7 @@ name: pdf
 author: David PHAM-VAN <dev.nfet.net@gmail.com>
 description: A pdf producer for Dart. It can create pdf files for both web or flutter.
 homepage: https://github.com/DavBfr/dart_pdf/tree/master/pdf
-version: 1.0.6
+version: 1.0.7
 
 environment:
   sdk: ">=1.8.0 <3.0.0"

+# 1.0.6
+* Add screenshot example
+
 # 1.0.5
 * Fix printing from pdf document
 

@@ -2,7 +2,7 @@ name: printing
 author: David PHAM-VAN <dev.nfet.net@gmail.com>
 description: Plugin that allows Flutter apps to generate and print documents to android or ios compatible printers
 homepage: https://github.com/DavBfr/dart_pdf/tree/master/printing
-version: 1.0.5
+version: 1.0.6
 
 environment:
   sdk: ">=1.19.0 <3.0.0"
@@ -10,7 +10,7 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
-  pdf: "^1.0.5"
+  pdf: "^1.0.7"
 
 flutter:
   plugin: