Heapinfo Versions Save

• Fix heapinfo totally broken with glibc version >= '2.26'

• Use __send__ instead of send

• Refactor requirements

• Add tcache support

• Add command s

• Add tests for glibc >= '2.26'

• Add heapinfo('victim').layouts :all to show all bins' layout
• Support h.find(.., rel: true) to show relative offset.
• Upgrade dependencies
• Fix a bug in smallbin

• support fetch canary
• fetch ld base from auxv
• add tests of glibc-2.25

• add full tests for 32bit and different version of glibc(s)
• lightly refactor lib/heapinfo/dumper.rb
• fetch process with latest start time when multiple processes exist

• Use dentaku for safe-eval.
• Add Process#offset method.
• Make Process#layouts easier to use.
• Add testing on glibc-2.19, 2.23, 2.24.
• Use Tempfile to promise process-safe.
• Refactor lots of things.

• support static-link
• "free" check of fastbin size

New features:

• add a cache manager for recording cache(s)
• cache main_arena_offset of libc(s)
• remove [Hash] @status of Process, use [ProcessInfo] @info instead

Bug fix:

• Fix find will return nil in some situations even it should find
• Fix dump returns nil when the remain memory not all readable
• Fix typos
• Fix incorrect cache directory
• Fix heap will not load correctly in a situation