sundialr v0.1.5
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Bug fixes:
* Fixed the bug in assigning absolute tolerances

sundialr v0.1.4.1
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Bug fixes:
* Fixed the linking problem due to multiple defined sybmols

sundialr v0.1.4
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New features:
* added the `cvsolve` function to solve ODEs with multiple discontinuities

Bug fixes:
* None

API change:
* NONE is existing functions
* A new function `cvsolve` is added

Internal changes:
* Now uses SUNDIALS version 5.2.0 (released March 2020) at the back end