bugfix pre-release 0.4.8

Readme.md

@@ -1,6 +1,6 @@
 # pdfgrab
 
-* Version 0.4.7
+* Version 0.4.8-Pre
 
 ## What is it?
 
@@ -9,6 +9,14 @@ Basically it analyses PDF files for Metadata. You can direct it to a file or dir
 You can show it the url of a pdf or use the integrated googlesearch (thanx to mario vilas class)
 to search for pdfs at target site, download and analyse them.
 
+## What is new in 0.4.8 bug fix pre-release?
+
+* catching google error at too many requests
+* catching dns resolve urlopen error at googlelib
+* fixing annoying bug in regard of pdfs behind urls like http://host/pdf/
+* fixing zero size pdf error(online linked pdfs which are not accessable)
+* added some logging
+
 ## What is new in 0.4.7 release?
 
 * Added support for html output file, this will be placed in the outdir path and is more clear then a text or json file