Merge pull request #2 from simonmichael/master

in debug mode, also log hledger calls
bump version
allow storing ofxclient.ini in ~/.config/
add information about ~/.config dir to README
store currency string in object
add format_date method
better suffix for amount lines
0, not len(0)!
add disabled automatic balance assertions
add test support for initial balances
re-raise keyboardinterrupt
check ledger version
add timeouts for reading prompts
add --initial option
add mk_ofxid method
add fake ofxid to initial balance
only print initial if not found in ledger
add --assertions argument
print output recd when unable to receive prompt from ledger
downcase AUTOSYNC_INITIAL; make constants