Debugging, impls and version bump

Dependencies

• [2] 2ZRCQBXP Version bump
• [3] GPP7KJSF Version bump
• [4] FZBLNBGN Diagnostic tools (add_refs, check_free) + cleanup
• [5] DASFQGOR Debugging
• [6] OP6SVMOD Resetting history
• [7] DEKK3RUI Fixing a bug when splitting unsized pages
• [8] T7QB6QEP Adding debug.rs
• [9] W2MIZD5B Single file databases + CRC for the root pages (checking the other pages makes everything very slow)
• [10] 5LSYTRQ6 More docs, example, and fixing the free page diagnostic function for mutable transactions
• [11] 7T2CCH3P Fixing a segfault (wrong offset in page_unsized::del)
• [*] HN6Z5DU4 Cleanup

Change contents

• edit in sanakirja-core/src/lib.rs at line 272
  [13.1647]

  [13.1647]
  + unsafe impl Sync for CowPage {}

  + unsafe impl Send for CowPage {}

  +
• replacement in sanakirja-core/Cargo.toml at line 3
  [3.70812]→[2.0:18](∅→∅)
  − version = "1.2.0"
  [3.70812]

  [3.70847]
  + version = "1.2.4"
• replacement in sanakirja/src/debug.rs at line 205
  [3.4354]→[3.4354:4448](∅→∅)
  − pub fn add_refs<T: LoadPage, K: Storable + ?Sized, V: Storable + ?Sized, P: BTreePage<K, V>>(
  [3.4354]

  [3.4448]
  + pub fn add_refs<T: LoadPage, K: Storable + Ord + ?Sized + std::fmt::Debug, V: Storable + Ord + ?Sized + std::fmt::Debug, P: BTreePage<K, V>>(
• replacement in sanakirja/src/debug.rs at line 209
  [3.4540]→[3.4540:4568](∅→∅)
  − ) -> Result<(), T::Error> {
  [3.4540]

  [3.4568]
  + ) -> Result<(), T::Error>

  + where

  + T::Error: std::fmt::Debug

  + {
• replacement in sanakirja/src/debug.rs at line 225
  [3.5034]→[3.5034:5118](∅→∅)
  − while let Some((_, _, r)) = P::next(txn, p.as_page(), &mut c) {
  [3.5034]

  [3.5118]
  + }

  + let mut kv = None;

  + while let Some((k, v, r)) = P::next(txn, p.as_page(), &mut c) {

  + debug!("{:?} {:?} {:?}", k, v, kv);

  + if let Some((k_, v_)) = kv {

  + debug!("{:?} {:?} {:?}", k_ > k, k_ == k, v_ > v);

  + if k_ > k || (k_ == k && v_ > v) {

  + debug(txn, &[db], "debug_ord", true);

  + panic!("{:?} {:?} {:?} {:?} {:?}", kv, k_, v_, k_>k, v_>v);

  + }

  + }

  + kv = Some((k, v));

  + if r > 0 {