Expected Behavior

• YahooDataDownloader does not fail to download Split & dividends.

Actual Behavior

• YahooDataDownloader

Hey,

First of all thank you for the hard work put into this, it's a really awesome project that I still learn how to use.
I'm not that proficient in using python so that is why I'll put my suggestion here. I have used python more for machine learning stuff and there the option of searching hyperparameters was also between grid and random search. However, I found that using bayesian optimizati

Which version are you running? The lastest version is on Github. Pip is for major releases.

import pandas_ta as ta
print(ta.version)

Version: 0.2.xxb

Upgrade.

$ pip install -U git+https://github.com/twopirllc/pandas-ta

Yup.

Is your feature request related to a problem? Please describe.
Bollinger Bands Bandwidth

**Describe the solution you'd li

Description

When naming a bot with characters such as < and or > it attempts to create a file with that name and also remove that file when deleting which fails:

error running rm command for bot configs: error in bash command 'rm /Users/user/.kelp/bot_data/configs/usd_<>_xlm*' for namespace 'rm': (eWait=exit status 1, outputBytes=, eRead=<nil>)

We should disallow names t