YARA v4.0.0

• New string modifiers base64 and base64wide (#1185).
• New string modifier private (#1096).
• Iterators for dictionaries and arrays (#1141).
• Multiple API changes.
• Memory footprint greatly reduced, specially when compiling large numbers of rules.
• New commmand-line option --scan-list (#1261).
• Added pdb_path field to "pe" module.
• Added export_details array to "pe" module.
• Added exports_index functions to "pe" module.
• Improvements to "cuckoo" module.
• BUGFIX: PE files with multiple signatures are parsed correctly (#940).
• BUGFIX: Fix PE rich header parsing (#1164).
• BUGFIX: Buffer overruns in "dotnet" module (#1167, #1173).