Fixes addCommaSeparators() so it works with values < 1 (was previously returning "0" for these values).
Also fixes a display precision issue in the blocksWidget and a precision issue when sending jup from the sendWidget where sending 100 JUP actually sent 0.00000100 JUP
Fixes addCommaSeparators() so it works with values < 1 (was previously returning "0" for these values).
Also fixes a display precision issue in the blocksWidget and a precision issue when sending jup from the sendWidget where sending 100 JUP actually sent 0.00000100 JUP