Ezcharts

Added
- Required argument `workflow_version` to `LabsReport` and `ONDReport`.
- Argument to `fastcat.load_stats()` to select target columns to load.
- Two different functions: `load_fastcat()` and `load_bamstats()` to load per-read-stats.
- A function to concatenate categorical columns: `concat_dfs_with_categorical_columns()`.
- Tests for functions related with `SeqSummary`.
- Decorator for plotting a message when the plot fails.
- `ezc.boxplot` is now implemented to produce boxplots.
Changed
- Refactor `SeqSummary`.
Removed
- Mention of the `nextflow run ... --help` command from the report footer.
- `histogram_stats_dir` in `SeqSummary`. Histograms data is input using `seq_summary`.

Fixed
- `barplot` tries to create a stacked barplot when `dodge=False` without a `hue`.

Fixed
- Error raised when reading an empty CSV with the `SeqSummary` component.

Added
- Nested bar charts by setting `nested_x=True` in `barplot()`.
- SeqSummary ability to read precomputed fastcat histogram data.
- Upgraded sample card functionality.

Fixed
- Regression causing empty line or scatter plots when no `hue` variable was provided.
- `lineplot()` and `scatterplot()` not handling the `palette` argument correctly.
- Mixed `start_time` offset bug in SeqSummary.

Fixed
- `lineplot()` and `scatterplot()` failing with numerical `hue` values.

Fixed
- Spuriously scrolling to top of page when clicking on ellipsis in pagination links below data tables.

Added
- Total yield as additional metric below title in `fastcat.SeqSummary.base_yield_plot()`.