Setting reverse cursor to last by default

Dependencies

• [2] PUOGOIJ3 Debugging, impls and version bump
• [3] 2ZRCQBXP Version bump
• [4] DASFQGOR Debugging
• [5] OP6SVMOD Resetting history
• [6] DEKK3RUI Fixing a bug when splitting unsized pages
• [7] W2MIZD5B Single file databases + CRC for the root pages (checking the other pages makes everything very slow)
• [8] 7T2CCH3P Fixing a segfault (wrong offset in page_unsized::del)
• [9] GPP7KJSF Version bump
• [*] TSMS6W4D Fully commented implementation of Sized nodes + massive cleanup

Change contents

• edit in sanakirja-core/src/btree/cursor.rs at line 395
  [11.41655]

  [11.41655]
  + } else {

  + cursor.set_last(txn)?;
• replacement in sanakirja-core/Cargo.toml at line 3
  [3.70812]→[2.66:84](∅→∅)
  − version = "1.2.4"
  [3.70812]

  [3.70847]
  + version = "1.2.5"