Fixes for DB2.
Fixes for DB2.

Cybnate/NuBits-Abe-explorer,Cybnate/NuBits-Abe-explorer,leadcoin-reboot/leadcoin-abe,BuckyGreen/latiumexplorer,gjhiggins/chaincoin-abe,n00bsys0p/altcoin-abe,jeorgen/bitcoin-abe,jonnynewbs/bitcoin-abe,BuckyGreen/latiumexplorer,Rimbit/RimbitExplorer,jeromewu/bitcoin-abe-opennet,leadcoin-reboot/leadcoin-abe,gjhiggins/altcoin-abe,MatthewLM/PeercoinAbeExplorer,machinecoin-project/machinecoin-blockchainexplorer-abe,mmitech/bitcoin-abe,Serya05/bitcoin-abe,Max-Coin/maxcoin-abe,machado-rev/HTMLCoinExplorer,UdjinM6/darkcoin-abe,Cybnate/NuBits-Abe-explorer,UdjinM6/darkcoin-abe,gjhiggins/abe-bee2,CraigsCoin/abe-craigscoin,BuckyGreen/latiumexplorer,machado-rev/HTMLCoinExplorer,muchbeli/bitcoin-abe,jeorgen/bitcoin-abe,jonnynewbs/bitcoin-abe,machado-rev/HTMLCoinExplorer,gjhiggins/abe-bee2,muchbeli/bitcoin-abe,Rimbit/RimbitExplorer,Rimbit/RimbitExplorer,MatthewLM/PeercoinAbeExplorer,BuckyGreen/latiumexplorer,cryptapus/bitcoin-abe,gjhiggins/abe-bee2,jeromewu/bitcoin-abe-opennet,n00bsys0p/altcoin-abe,MatthewLM/PeercoinAbeExplorer,Max-Coin/maxcoin-abe,Cybnate/NuBits-Abe-explorer,ultracoindev/ultracoin-abe,muchbeli/bitcoin-abe,muchbeli/bitcoin-abe,gjhiggins/altcoin-abe,ultracoindev/ultracoin-abe,Cybnate/NuBits-Abe-explorer,ultracoindev/ultracoin-abe,gjhiggins/chaincoin-abe,Dilmacoin/dilmacoin-abe,CraigsCoin/abe-craigscoin,mmitech/bitcoin-abe,ultracoindev/ultracoin-abe,MatthewLM/PeercoinAbeExplorer,cryptapus/bitcoin-abe,Dilmacoin/dilmacoin-abe,Rimbit/RimbitExplorer,Serya05/bitcoin-abe,machado-rev/HTMLCoinExplorer,ultracoindev/ultracoin-abe,machinecoin-project/machinecoin-blockchainexplorer-abe