Merge pull request #17 from ledgersmb/master

bringing this up to date
Adding logic to reverse manual taxes
Merging from github
adding basis reversal too
Merge pull request #124 from einhverfr/master

Fix for reversing manual taxes
Fixing badly named input that caused date selectors on some reports to stop working
Merge pull request #125 from einhverfr/master

Fixing badly named input that caused date selectors on some reports to s...
Merge pull request #128 from hvierendeels/master

check on account.category+docum