0.5.9

This version includes following changes.

• Support std::tr1 unordered containers by default (#51, #63, #68, #69)
• Remove some warnings (#56)
• Fix segmentation fault after malloc failures (#58, #59)
• Fix alloc/dealloc mismatch (#52, #61)
• Fix sample codes (#60, #64)
• Support implicit conversion from integer to float/double (#54)
• Improve documents (#45, #75, #82, #83)
• Support CMake (#20, #87)
• Remove Ruby dependencies in bootstrap (#86, #87)
• Add FILE* buffer (#40)
• Other bug fixes and refactoring: #39, #73, #77, #79, #80, #81, #84, #90

CMake is now supported. CMake 2.8.6 or later is required. This version still supports autotools, too.

Thank you for contributions!