Merge tag '0.1.10' into develop

Release 0.1.10

4c81df46 (HEAD -> master) Merge branch 'release/0.1.10'
6922bed4 (release/0.1.10) version bump
7edc4521 (develop) fix test
fa9b1f42 (origin/develop) fix #21
c4e86a78 Fix #11
0861d9d9 Merge pull request #24 from SmileyChris/symbol_split
5d68b2d0 Merge branch 'develop' into symbol_split
8c3a5486 close #27
c526fe73 close #18
d87b583a Merge pull request #31 from BroncoTc/BroncoTc-patch-1
0a85d8a8 close #33
7d590c0e Fix #36
abada9ff [wallet] locked() returns False if there are keys preloaded
d8dcc7b5 Reserve from proper account
d501936a [setup] dependency of graphenelib pushed by one release
344f27ab minor cleanup
77243625 [message] minor fixes to self calls
ce470e32 [message] setup separate class for message signing
e46c3572 [txbuilder] do not raise exception if key not found
85f46cd6 [message] initial message signing support
d4332e04 [block] Block Header for easier access to time etc.
08376c91 fix apt command error
1c2b842d Merge tag '0.1.9' into develop
84d7cd9c Complete fix for market symbol split (started in #8)