fixed some errors

+ wrong try and catch fixed lol
Merge pull request #110 from Peda1996/master

fixed some errors
[enh][build] enhance build script
[enh][error_messages] add more error messages
Merge pull request #111 from pointhi/master

enh buildscript and error messages
[fix][error_messages] fix special characters
Merge pull request #112 from pointhi/master

[fix][error_messages] fix special characters
Merge pull request #113 from fabian1995/master

Alpha 1.2 Build 2