Release v1.15.0

New in release v1.15.0

• [#115] New batch API: utils.batchFrames and utils.batchIterable functions, and batches() methods added to FrameSet and FileSequence
• [#111] FileSequence setters should atomically update fields, only if no exception is raised
• [#112] findSequenceOnDisk: add preserve_padding option to apply original padding characters to matching sequence
• [#109] Add support for <UDIM> and %(UDIM)d padding formats (thanks @herronelou)
• [#116] FileSequence.setPadStyle(): add set_zfill options to convert the zfill and decimalPlaces values instead of default behavior to convert the padding character representation
• [#53] Update README with "Limitations" section
• Update utils.xrange2 to support start/start/step fields like the builtin range
• Include utils module in sphinx docs