Preparing changes for #8

Moved the code into a named function
Parsed out whether or not the coin is mineable
Parsed out the shorthand name of the coin
Added "e" to the filter for scientific notation prices
Placed function inside class

Turned url into public class member
Changed README usage
Moving coins code to separate file
Added root JSON, timestamp and $top option
Parsed market volume page
Cleaned up the scraped data for volume
Updated example outputs
Changed volume_change to volume_percent
Increased from 5 to top 100
Casted numbers as float

Even the scientific notation
Adding expanded decimal notation
Added expanded price to README.md examples
Merge pull request #12 from beta0x64/master

Second task complete!