• Don't enable JRuby objectspace #252
• Fixes an exception thrown when decoding some weird .zip files #248
• Use duck typing with IO methods #244
• Added error for empty (zero bit) zip file #242
• Accept StringIO in Zip.open_buffer #238
• Do something more expected with new file permissions #237
• Case insensitivity option for #find_entry #222
• Fixes in documentation and examples