v0.5.5

What's Changed

• Fix specifying start coordinate of bigbedtobed and bigwigtobedgraph. by @ghuls in #69
• Handle empty bedGraph input file. by @ghuls in #70
• Automatically recognise /dev/stdin as stdin in bedgraphtobigwig and… by @ghuls in #72
• Fix merge for small and zero values
• Only use zooms <= u32::MAX

Full Changelog: v0.5.4...v0.5.5