0.5.4

Mainly binary template improvements in this release, but also adds a pcap analyser plugin courtesy of @RegularITCat!

• Allow passing arguments to structs created via ArrayResize() and ArrayExtend() template functions.
• Fix parsing of whitespace in template array dereference (#175).
• Display offsets in comments panel (#165).
• Don't show expand arrows next to comments without children in comments panel on Windows/macOS.
• Improve performance of templates that declare many (thousands+) of variables in the file.
• Add Error() function for templates (#186).
• Fix crash when attempting to use string as a file variable in templates (#185).
• [Pavel Martens] Add plugin for annotating pcap files.