Previously, functions like byte(), uint32(), etc had a side effect: they were silently permorming alignement (skipping all bits until next byte's boundary). I've considered this as a bad practice and now a call of align() function is required before using byte function. In addition, isAligned computed property was added to check if alignment is required.
Extracted 7zProperty into a separate file; converted all structs to classes (to eliminates cows); replaced switches with ifs to ensure correct order of structures; overall completed implementation of structures (except fileinfo properties and packed header); codec renamed to coder.
Added correct verion of DWP.multiByteDecode for 7-zip; added detection of packed headers, as well as reading of their streaminfos; added SevenZipProperty struct which used as ArchiveProperties in header and as Properties in FilesInfo (for now, until parsing of these properties is added).
Timofey Solomko