Stepwise

Feature
* Override keys in reagent tables ([`693b53b`](https://github.com/kalekundert/stepwise/commit/693b53b1ef78e869b5cd8eec33b0e1d35a87d5e1))
* Score careful reagents on combos, not depth ([`521a730`](https://github.com/kalekundert/stepwise/commit/521a730fcd5be713d50894a4e9382031f355db7f))
* Count reactions when making replicates ([`18a6557`](https://github.com/kalekundert/stepwise/commit/18a6557b86a588531dc371fef54f7068af87b72d))
* Put flagged reagents in earlier master mixes ([`42a493a`](https://github.com/kalekundert/stepwise/commit/42a493ad7a82d4c5530f6e3f42c63f1547376317))

Fix
* Consider adding multiple reagents to each master mix ([`144b55b`](https://github.com/kalekundert/stepwise/commit/144b55b4f45fe404963df6348b638d2db8485834))
* Don't reuse iterator when counting adjacencies ([`4e93c37`](https://github.com/kalekundert/stepwise/commit/4e93c37da405e4e7449847589f6d82d6b5a6db8f))
* Correctly work out when replicates are shown ([`1668db1`](https://github.com/kalekundert/stepwise/commit/1668db1f62cb893bcb310bb786f3924134a4dbff))

Documentation
* Remove extraneous tabs ([`30ee15f`](https://github.com/kalekundert/stepwise/commit/30ee15f89a7b3f4818fa3e57151545a413d05da9))
* Move the README example into its own section ([`0e99563`](https://github.com/kalekundert/stepwise/commit/0e99563f8fd41cfa3b63a2646344ccb05421ab3c))
* Try to make slightly accessible to new users ([`9be57d2`](https://github.com/kalekundert/stepwise/commit/9be57d24b7d3e87fe6b45f961ebf1e242c6a9f53))

Performance
* Profile and optimize `plan_mixes()` ([`ad2bd56`](https://github.com/kalekundert/stepwise/commit/ad2bd56fe297ec9d2dd0c28b9074ad80d66c47b5))

Fix
* More robustly parse reactions/combos from XLSX files ([`bb8d214`](https://github.com/kalekundert/stepwise/commit/bb8d2146f6f8ca2bb7260ace40b8c39efec09790))
* Show config paths in `sw go` usage ([`1546678`](https://github.com/kalekundert/stepwise/commit/15466780886c348f6a1ac561074cb72f4f43e0a6))

Feature
* Load reactions from XLSX files ([`80586ef`](https://github.com/kalekundert/stepwise/commit/80586ef33246b05b3f24fc48f9c9d769a72cc2e2))
* Provide hooks for formatting mix names/concs ([`3ee947a`](https://github.com/kalekundert/stepwise/commit/3ee947ac52ebbdcb041a373a57eacc89280d4a0c))
* Prefer reaction setups with less depth ([`48bc467`](https://github.com/kalekundert/stepwise/commit/48bc467b100c789ac317b9dff5498adcb92e47b9))

Fix
* Don't convert to mL until 2000 µL ([`dadd453`](https://github.com/kalekundert/stepwise/commit/dadd4536a2f6550cfd63fbd73d97b3a2aefb83ce))

Feature
* Allow non-linear master mix setups ([`15c1ded`](https://github.com/kalekundert/stepwise/commit/15c1dedc93c981c140b8935b0d348e64705210fb))
* Allow intermediate mixes to have custom volumes ([`34c054e`](https://github.com/kalekundert/stepwise/commit/34c054ec4f88921477b022f3b5c0be71e083174a))
* Implement `dl.from_iterable()` ([`2c76187`](https://github.com/kalekundert/stepwise/commit/2c76187b9297f3b20a80d3b6ab4d0d20f6e73d57))

Feature
* Reorder reagents within a reaction ([`1be1557`](https://github.com/kalekundert/stepwise/commit/1be1557bdaaedf732f13b0893eacc927c7704c81))
* Give presets a repr function ([`cbc39d4`](https://github.com/kalekundert/stepwise/commit/cbc39d4e325a25921bb987e81fe1c2e84bb8b587))
* Make quantities hashable ([`a9d1632`](https://github.com/kalekundert/stepwise/commit/a9d163243be5e1e36e23673c8143eb58b219b59b))
* Teach `Reagents` about replicates ([`5e4711b`](https://github.com/kalekundert/stepwise/commit/5e4711b5857c2ef8fa6d65a4fea41f18890505f2))

Feature
* Make reactions intrinsically ordered ([`2e5a5ae`](https://github.com/kalekundert/stepwise/commit/2e5a5aec17384bae4f05c1c9b98fb4634b0634ad))