Get blockchain information, aggregated data as well as data for the 
	individual exchanges available for the specified currency pair.

	Args:
		fsym: FROM symbol.
		tsym: TO symbol.
	
	Returns:
		The function returns a dictionairy containing blockain as well as 
		trading information from the different exchanges were the specified 
		currency pair is available.

		{'AggregatedData': dict,
 		 'Algorithm': ...,
		 'BlockNumber': ...,
		 'BlockReward': ...,
		 'Exchanges': [dict1, dict2, ...],
		 'NetHashesPerSecond': ...,
		 'ProofType': ...,
		 'TotalCoinsMined': ...}

		dict = {'FLAGS': ...,
		        'FROMSYMBOL': ...,
		        'HIGH24HOUR': ...,
		        'LASTMARKET': ...,
		        'LASTTRADEID': ...,
		        'LASTUPDATE': ...,
		        'LASTVOLUME': ...,
		        'LASTVOLUMETO': ...,
		        'LOW24HOUR': ...,
		        'MARKET': ...,
		        'OPEN24HOUR': ...,
		        'PRICE': ...,
		        'TOSYMBOL': ...,
		        'TYPE': ...,
		        'VOLUME24HOUR': ...,
		        'VOLUME24HOURTO': ...}

def get_coin_snapshot(fsym, tsym):
	"""
	Get blockchain information, aggregated data as well as data for the 
	individual exchanges available for the specified currency pair.

	Args:
		fsym: FROM symbol.
		tsym: TO symbol.
	
	Returns:
		The function returns a dictionairy containing blockain as well as 
		trading information from the different exchanges were the specified 
		currency pair is available.

		{'AggregatedData': dict,
 		 'Algorithm': ...,
		 'BlockNumber': ...,
		 'BlockReward': ...,
		 'Exchanges': [dict1, dict2, ...],
		 'NetHashesPerSecond': ...,
		 'ProofType': ...,
		 'TotalCoinsMined': ...}

		dict = {'FLAGS': ...,
		        'FROMSYMBOL': ...,
		        'HIGH24HOUR': ...,
		        'LASTMARKET': ...,
		        'LASTTRADEID': ...,
		        'LASTUPDATE': ...,
		        'LASTVOLUME': ...,
		        'LASTVOLUMETO': ...,
		        'LOW24HOUR': ...,
		        'MARKET': ...,
		        'OPEN24HOUR': ...,
		        'PRICE': ...,
		        'TOSYMBOL': ...,
		        'TYPE': ...,
		        'VOLUME24HOUR': ...,
		        'VOLUME24HOURTO': ...}
	"""

	# load data
	url = build_url('coinsnapshot', fsym=fsym, tsym=tsym)
	data = load_data(url)['Data']

	return data