Update README.md

Bump version number

Author: cmccomb

README.md

@@ -12,7 +12,7 @@ like MATLAB, Octave, and R. For a complete API reference, check [the docs](https
 To use the latest released version of `rhai-sci`, add this to your `Cargo.toml`:
 
 ```toml
-rhai-sci = "0.1.9"
+rhai-sci = "0.2.0"
 ```
 
 To use the bleeding edge instead, add this:
@@ -54,4 +54,4 @@ let value = engine.eval::<INT>("argmin([43, 42, -500])").unwrap();
 | `metadata`  | Disabled | Enables exporting function metadata and is ___necessary for running doc-tests on Rhai examples___.                                                                                                                                                                                                                                                                                                                                                                                                                    |
 | `io`        | Enabled  | Enables the [`read_matrix`](#read_matrixfile_path-string---array) function but pulls in several additional dependencies (`polars`, `url`, `temp-file`, `csv-sniffer`, `minreq`).                                                                                                                                                                                                                                                                                                                                      |
 | `nalgebra`  | Enabled  | Enables several functions ([`regress`](#regressx-array-y-array---map), [`inv`](#invmatrix-array---array), [`mtimes`](#mtimesmatrix1-array-matrix2-array---array), [`horzcat`](#horzcatmatrix1-array-matrix2-array---array), [`vertcat`](#vertcatmatrix1-array-matrix2-array---array), [`repmat`](#repmatmatrix-array-nx-i64-ny-i64---array), [`svd`](#svdmatrix-array---map), [`hessenberg`](#hessenbergmatrix-array---map), and [`qr`](#qrmatrix-array---map)) but brings in the `nalgebra` and `linregress` crates. |
-| `rand`      | Enabled  | Enables the [`rand`](#rand) function for generating random FLOAT values and random matrices, but brings in the `rand` crate.                                                                                                                                                                                                                                                                                                                                                                                          |
+| `rand`      | Enabled  | Enables the [`rand`](#rand) function for generating random FLOAT values and random matrices, but brings in the `rand` crate.                                                                                                                                                                                                                                                                                                                                                                                          |