0.2.15

What's Changed

• Add license headers by @basil in #82
• Import pstack from sfackler/rstack@bab93b4 by @basil in #83
• chore: Update libdw by @basil in #85
• pstack: Add manual page by @basil in #86
• pstack: Demangle symbols by @basil in #87
• pstack: Support core files by @basil in #88
• pstack: Make output pretty by @basil in #89
• pstack: Show arguments by @basil in #90

Full Changelog: v0.2.14...v0.2.15