Fixes#52
Description of the changes:
Added support for pasting of prefix currency symbols supported by the Windows keyboard.
yen or yuan (¥)
unspecified currency sign (¤)
Ghanaian cedi (₵)
dollar or peso ($)
colón (₡)
won (₩)
shekel (₪)
naira (₦)
Indian rupee (₹)
pound (£)
euro (€)
How changes were validated:
Manually tested each prefix currency symbol supported by the Windows keyboard and ran unit tests.