fix sign

0.2.10

fix neg sign

added abs func

0.2.9

Update shard.yml

fix multdiv expr

0.2.8

Merge branch 'master' of https://github.com/eltony81/easy_expression_…

fix scinot expression

0.2.7

Update shard.yml

mult div sign fix

0.2.6

fix mult/div expre

fix mutl/div followed by plus minus sign

0.2.5

Update shard.yml

scientific notation evaluation fixed

0.2.4

expression with sign and scientific notation fixed

other fixes on sign

0.2.3

Update shard.yml

fix +- sign

0.2.2

Merge branch 'master' of https://github.com/eltony81/easy_expression_…

fixes -+ sign

0.2.1

Merge branch 'master' of https://github.com/eltony81/easy_expression_…