Fix more parser failures (#10)

* stabilize section parsing, now seems to read all ebooks I tested with
* refactored Open() into smaller funcs
* bump version

cmd/config.go

@@ -32,7 +32,7 @@ import (
 )
 
 const (
-	Version string = `v0.0.5`
+	Version string = `v0.0.6`
 	Usage   string = `This is epuppy, a terminal ui ebook viewer.
 
 Usage: epuppy [options] <epub file>

cmd/view.go

@@ -59,8 +59,11 @@ func ViewEpub(conf *Config) (int, error) {
 	}
 
 	if conf.Debug {
+		repr.Println("book.Files()")
 		repr.Println(book.Files())
 		repr.Println(book.Ncx)
+		repr.Println(book.Sections)
+		repr.Println(book.Opf.Manifest)
 	}
 
 	buf := strings.Builder{}
@@ -84,7 +87,7 @@ func ViewEpub(conf *Config) (int, error) {
 		return fmt.Println(buf.String())
 	}
 
-	if conf.Debug {
+	if conf.Debug || conf.XML {
 		return 0, nil
 	}