Reduce allocations and some general code improvements (#26)

* Remove unnecessary paths

* Remove unnecessary conversion for `G::from_scalar_slice`

* Remove unnecessary allocations

* Return `GenericArray` from `get_context_string`

* Use `zip()` instead instead of indexing

* Changed `compute_composites` input to `Iterator`s

* Changed `generate_proof` input to `Iterator`s

* Changed `verify_proof` input to `Iterator`s

* Reduce allocations in `verifiable_unblind`

* Changed `verifiable_unblind` input to `Iterator`s

* Changed `batch_finalize` input to `Iterator`s
Removed `BatchFinalizeInput`

* Reduce allocations in `VerifiableClient::finalize`

* Changed `finalize_after_unblind` input to `Iterator`s

* Changed `batch_evaluate` input to `Iterator`s

* Reduce allocations in `evaluate`

* Changed `blind` input to `Into<Vec<u8>>`

* Remove note about `BatchFinalizeInput` from documentation

* Remove `Metadata`

* Changed `blind` input to `Vec<u8>`

* General improvements to test code

* Fix rustdoc

* Remove unnecessarily installed components

.github/workflows/main.yml

@@ -32,7 +32,6 @@ jobs:
           profile: minimal
           toolchain: ${{ matrix.toolchain }}
           override: true
-          components: rustfmt, clippy
 
       - name: Run cargo test
         uses: actions-rs/cargo@v1
@@ -83,7 +82,7 @@ jobs:
           profile: minimal
           toolchain: stable
           override: true
-          components: rustfmt, clippy
+          components: clippy
 
       - name: Run cargo clippy
         uses: actions-rs/cargo@v1
@@ -113,7 +112,7 @@ jobs:
           profile: minimal
           toolchain: stable
           override: true
-          components: rustfmt, clippy
+          components: rustfmt
 
       - name: Run cargo fmt
         uses: actions-rs/cargo@v1