- Update to 3.5.51
* fix malloc(0) issue in \_rl_accel.c \_fp_str
thanks to Hans-Peter Jansen @ openSUSE
- remove fix-rl_accel-crash.patch

- add fix-rl_accel-crash.patch to fix a crash in rl_accel.

- Update to 3.5.50
* Add BM ExtGState option (suggestion by tjj021 @ github
* Fix memory leak in _renderPM.c
- Update to 3.5.49
* ViewerPreferencesPDFDictionary add /Duplex as possibility
* Doctemplate add support for all ViewerPreferencesPDFDictionary keys
* fix bugs in USPS_4State; Barcode inherits from Flowable and object.
- Update to 3.5.48
* bug fix for balanced column special case unsplittable half column
- Update to 3.5.47
* try to limit table style cell ranges