Describe the bug
pa.errors.SchemaErrors.failure_cases only returns the first 10 failure_cases

• I have checked that this issue has not already been reported.
• I have confirmed this bug exists on the latest version of pandera. 0.6.5
• (optional) I have confirmed this bug exists on the master branch of pandera.

Note: Please read [this guide](https://matthewrocklin.c

Thanks for this library, it made my pandas workflow clean & easy to maintain.

Feature Request:
pd.merge is a common operation when dealing with 2 or more data frames & pipeline stage for this is missing.
Currently, I am implementing a custom pipeline stage pdp.Merge from PdPipelineStage & would like to contribute.

Environment

Delta-rs version:
rust-v0.4.0, rust-v0.4.1 (head)

Binding:
rust

Environment:

• Cloud provider: AWS
• OS: Linux / OS X
• Other:

Bug

What happened: Attempting to use delta-rs to read a streaming Delta table with a watermark fails with "Error: Failed to apply transaction log: Invalid JSON in log record"

**What you expected to