Update README.md with aaHash citation (#116)

* Update README.md with aaHash citation

* Update azure-pipelines.yml - pin meson version

Author: lcoombe

README.md

@@ -94,3 +94,8 @@ Citing
 If you use btllib in your research, please cite:
 
 Nikolić et al., (2022). btllib: A C++ library with Python interface for efficient genomic sequence processing. Journal of Open Source Software, 7(79), 4720, https://doi.org/10.21105/joss.04720
+
+If you use aaHash in your research, please cite:
+
+Wong et al., (2023). aaHash: recursive amino acid sequence hashing. Bioinformatics Advances, vbad162, https://doi.org/10.1093/bioadv/vbad162.
+

azure-pipelines.yml

@@ -90,7 +90,7 @@ jobs:
   - script: |
       source activate btllib_CI      
       conda install --yes -c conda-forge mamba
-      mamba install --yes -c conda-forge -c bioconda libcxx compilers llvm clang-format=14 clang-tools boost 'samtools>=1.14' coreutils xz lrzip meson ninja cmake openmp gcovr
+      mamba install --yes -c conda-forge -c bioconda libcxx compilers llvm clang-format=14 clang-tools boost 'samtools>=1.14' coreutils xz lrzip meson=1.2.3 ninja cmake openmp gcovr
     displayName: 'Install required software'
 
   - script: |