Fix issues from 0.4.0

[rstub]

fixes #89
fixes #88

[github-actions]

This is how benchmark results would change (along with a 95% confidence interval in relative change) if f4e9376 is merged into main:

• ✔️rexp_test: 91.7ms -> 90.1ms [-6.11%, +2.58%]
• 🚀rnorm_test: 114ms -> 111ms [-4.64%, -0.39%]
• ✔️runif_test: 75.2ms -> 74.5ms [-4.44%, +2.5%]
  Further explanation regarding interpretation and methodology can be found in the documentation.

[github-actions]

This is how benchmark results would change (along with a 95% confidence interval in relative change) if f4e9376 is merged into main:

• ✔️rexp_test: 86.7ms -> 83.7ms [-8.1%, +1.26%]
• ✔️rnorm_test: 109ms -> 107ms [-4.59%, +0.88%]
• ✔️runif_test: 67.7ms -> 68.2ms [-1.94%, +3.18%]
  Further explanation regarding interpretation and methodology can be found in the documentation.

[github-actions]

This is how benchmark results would change (along with a 95% confidence interval in relative change) if 009c86b is merged into main:

• ✔️rexp_test: 81ms -> 81.2ms [-1.21%, +1.73%]
• ✔️rnorm_test: 106ms -> 105ms [-1.5%, +1.13%]
• ✔️runif_test: 65ms -> 65ms [-0.9%, +0.92%]
  Further explanation regarding interpretation and methodology can be found in the documentation.