Cover path is now selected based on correct setting and not if split_path is present or not (fix for #3527)

Version bump
Updated requirements

cps/config_sql.py

@@ -403,7 +403,7 @@ class ConfigSQL(object):
         self.save()
 
     def get_book_path(self):
-        return self.config_calibre_split_dir if self.config_calibre_split_dir else self.config_calibre_dir
+        return self.config_calibre_split_dir if self.config_calibre_split else self.config_calibre_dir
 
     def store_calibre_uuid(self, calibre_db, Library_table):
         from . import app

cps/constants.py

@@ -175,7 +175,7 @@ BookMeta = namedtuple('BookMeta', 'file_path, extension, title, author, cover, d
                                   'series_id, languages, publisher, pubdate, identifiers')
 
 # python build process likes to have x.y.zbw -> b for beta and w a counting number
-STABLE_VERSION =  '0.6.26'
+STABLE_VERSION =  '0.6.27b'
 
 NIGHTLY_VERSION = dict()
 NIGHTLY_VERSION[0] = '$Format:%H$'