finsim and yfinance version updated

Merge pull request #10 from stephenhky/develop

plots with caption together; refactor keyboard

Merge pull request #9 from stephenhky/develop

adding title to stock chart

Merge pull request #8 from stephenhky/develop

debugged, and updated telebot inline commands

Merge pull request #7 from stephenhky/develop

search function eliminated

Merge pull request #6 from stephenhky/develop

plot Russell 2000 MA chart as well

Merge pull request #5 from stephenhky/develop

help file updated

Merge pull request #3 from stephenhky/develop

default time length set to be 1 year

Merge pull request #2 from stephenhky/develop

better exception handling

Merge pull request #1 from stephenhky/develop

Inline button