Fixing a segfault (wrong offset in page_unsized::del)

Dependencies

• [2] DASFQGOR Debugging
• [3] H3FVSQIQ Unsized pages
• [4] OP6SVMOD Resetting history
• [5] 52X5P7ND Cleaning up the unsized part
• [6] W2MIZD5B Single file databases + CRC for the root pages (checking the other pages makes everything very slow)
• [7] GPP7KJSF Version bump
• [8] DEKK3RUI Fixing a bug when splitting unsized pages

Change contents

• replacement in sanakirja-core/src/btree/page_unsized.rs at line 433
  [3.12937]→[3.12937:13012](∅→∅)
  − hdr.decr(8 + entry_size::<K, V>(p.add(off as usize)));
  [3.12937]

  [3.7453]
  + hdr.decr(8 + entry_size::<K, V>(p.add((off & 0xfff) as usize)));
• replacement in sanakirja-core/src/btree/page_unsized.rs at line 649
  [3.19558]→[3.18444:18546](∅→∅)
  − L::alloc_write(new, k, v, 0, 0, n);

  − L::alloc_write(new, k2, v2, m.l, m.r, n);
  [3.19558]

  [3.19664]
  + L::alloc_write(new, k, v, 0, m.l, n);

  + L::alloc_write(new, k2, v2, 0, m.r, n);
• replacement in sanakirja-core/Cargo.toml at line 3
  [3.70812]→[2.10756:10774](∅→∅)
  − version = "1.1.0"
  [3.70812]

  [3.70847]
  + version = "1.1.1"