Fix default path handling when starting with separator

CHANGELOG

@@ -4,6 +4,8 @@
 - added support for midi key influence to pitch = 0% to enable drum kit like sf2 converts
 - added keymap expansion when converting sf2 (to fill all key range)
 - added instrument selection via index when converting sf2
+- added support for sfz not height as midi number
+- added support for default_path directive
 
 ## [0.8.0] - 2016-02-02
 ### Added

rnsutils/sfztoxrni.py

@@ -261,6 +261,11 @@ class SfzToXrni(object):
                 logging.info("Ignoring mute group info")
             elif key == 'default_path':
                 self.sfz_default_path = re.sub(r'\\+', r'/', value)
+
+                # remove first char if file separator
+                if self.sfz_default_path[0] in (r'/', r'\\'):
+                    self.sfz_default_path = self.sfz_default_path[1:]
+
             else:
                 unused_keys.append(key)